| Let's do some math .. Rounding examples of 7 random hypothetical purchases: | ||||||
| Case | Tag Price |
Sales Tax % |
Raw Total Incl. Sales Tax |
Rounded to Penny |
Rounded to Nickel |
Rounded to Dime |
| Purchase #1 | $26.31 | 6.850% | $28.1122 | $28.11 | $28.10 | $28.10 |
| Purchase #2 | $9.89 | 4.268% | $10.3121 | $10.31 | $10.30 | $10.30 |
| Purchase #3 | $108.91 | 7.266% | $116.8234 | $116.82 | $116.80 | $116.80 |
| Purchase #4 | $220.77 | 3.598% | $228.7133 | $228.71 | $228.70 | $228.70 |
| Purchase #5 | $9.43 | 13.170% | $10.6719 | $10.67 | $10.65 | $10.70 |
| Purchase #6 | $116.95 | 7.265% | $125.4464 | $125.45 | $125.45 | $125.40 |
| Purchase #7 | $142.47 | 5.193% | $149.8685 | $149.87 | $149.85 | $149.90 |
| 7 purchase totals = | $634.73 | $669.9478 | $669.94 | $669.85 | $669.90 | |