1 (single unit) 
                
                
                  910 = 1 case
                 
                
                  
                    1,820 = 2 cases
                   
                
                  
                    2,730 = 3 cases
                   
                
                  
                    3,640 = 4 cases
                   
                
                  
                    4,550 = 5 cases
                   
                
                  
                    5,460 = 6 cases
                   
                
                  
                    6,370 = 7 cases
                   
                
                  
                    7,280 = 8 cases
                   
                
                  
                    8,190 = 9 cases
                   
                
                  
                    9,100 = 10 cases
                   
                
                  
                    10,010 = 11 cases
                   
                
                  
                    10,920 = 12 cases
                   
                
                  
                    11,830 = 13 cases
                   
                
                  
                    12,740 = 14 cases
                   
                
                  
                    13,650 = 15 cases
                   
                
                  
                    14,560 = 16 cases
                   
                
                  
                    15,470 = 17 cases
                   
                
                  
                    16,380 = 18 cases
                   
                
                  
                    17,290 = 19 cases
                   
                
                  
                    18,200 = 20 cases
                   
                
                  
                    19,110 = 21 cases
                   
                
                  
                    20,020 = 22 cases
                   
                
                  
                    20,930 = 23 cases
                   
                
                  
                    21,840 = 24 cases
                   
                
                  
                    22,750 = 25 cases
                   
                
                  
                    23,660 = 26 cases
                   
                
                  
                    24,570 = 27 cases
                   
                
                  
                    25,480 = 28 cases
                   
                
                  
                    26,390 = 29 cases
                   
                
                  
                    27,300 = 30 cases
                   
                
                  
                    28,210 = 31 cases
                   
                
                  
                    29,120 = 32 cases
                   
                
                  
                    30,030 = 33 cases
                   
                
                  
                    30,940 = 34 cases
                   
                
                  
                    31,850 = 35 cases
                   
                
                  
                    32,760 = 36 cases
                   
                
                  
                    33,670 = 37 cases
                   
                
                  
                    34,580 = 38 cases
                   
                
                  
                    35,490 = 39 cases
                   
                
                  
                    36,400 = 40 cases
                   
                
                  
                    37,310 = 41 cases
                   
                
                  
                    38,220 = 42 cases
                   
                
                  
                    39,130 = 43 cases
                   
                
                  
                    40,040 = 44 cases
                   
                
                  
                    40,950 = 45 cases
                   
                
                  
                    41,860 = 46 cases
                   
                
                  
                    42,770 = 47 cases
                   
                
                  
                    43,680 = 48 cases
                   
                
                  
                    44,590 = 49 cases
                   
                
                  
                    45,500 = 50 cases
                   
                
                  
                    46,410 = 51 cases
                   
                
                  
                    47,320 = 52 cases
                   
                
                  
                    48,230 = 53 cases
                   
                
                  
                    49,140 = 54 cases
                   
                
                  
                    50,050 = 55 cases
                   
                
                  
                    50,960 = 56 cases
                   
                
                  
                    51,870 = 57 cases
                   
                
                  
                    52,780 = 58 cases
                   
                
                  
                    53,690 = 59 cases
                   
                
                  
                    54,600 = 60 cases
                   
                
                  
                    55,510 = 61 cases
                   
                
                  
                    56,420 = 62 cases
                   
                
                  
                    57,330 = 63 cases
                   
                
                  
                    58,240 = 64 cases
                   
                
                  
                    59,150 = 65 cases
                   
                
                  
                    60,060 = 66 cases
                   
                
                  
                    60,970 = 67 cases
                   
                
                  
                    61,880 = 68 cases
                   
                
                  
                    62,790 = 69 cases
                   
                
                  
                    63,700 = 70 cases
                   
                
                  
                    64,610 = 71 cases
                   
                
                  
                    65,520 = 72 cases
                   
                
                  
                    66,430 = 73 cases
                   
                
                  
                    67,340 = 74 cases
                   
                
                  
                    68,250 = 75 cases
                   
                
                  
                    69,160 = 76 cases
                   
                
                  
                    70,070 = 77 cases
                   
                
                  
                    70,980 = 78 cases
                   
                
                  
                    71,890 = 79 cases
                   
                
                  
                    72,800 = 80 cases
                   
                
                  
                    73,710 = 81 cases
                   
                
                  
                    74,620 = 82 cases
                   
                
                  
                    75,530 = 83 cases
                   
                
                  
                    76,440 = 84 cases
                   
                
                  
                    77,350 = 85 cases
                   
                
                  
                    78,260 = 86 cases
                   
                
                  
                    79,170 = 87 cases
                   
                
                  
                    80,080 = 88 cases
                   
                
                  
                    80,990 = 89 cases
                   
                
                  
                    81,900 = 90 cases
                   
                
                  
                    82,810 = 91 cases
                   
                
                  
                    83,720 = 92 cases
                   
                
                  
                    84,630 = 93 cases
                   
                
                  
                    85,540 = 94 cases
                   
                
                  
                    86,450 = 95 cases
                   
                
                  
                    87,360 = 96 cases
                   
                
                  
                    88,270 = 97 cases
                   
                
                  
                    89,180 = 98 cases
                   
                
                  
                    90,090 = 99 cases
                   
                
                  
                    91,000 = 100 cases