| 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 | $19.97 | 4.550% | $20.8786 | $20.88 | $20.90 | $20.90 |
| Purchase #2 | $243.82 | 12.607% | $274.5584 | $274.56 | $274.55 | $274.60 |
| Purchase #3 | $135.94 | 13.153% | $153.8202 | $153.82 | $153.80 | $153.80 |
| Purchase #4 | $139.92 | 13.231% | $158.4328 | $158.43 | $158.45 | $158.40 |
| Purchase #5 | $245.73 | 12.247% | $275.8246 | $275.82 | $275.80 | $275.80 |
| Purchase #6 | $62.50 | 9.134% | $68.2088 | $68.21 | $68.20 | $68.20 |
| Purchase #7 | $24.69 | 9.335% | $26.9948 | $26.99 | $27.00 | $27.00 |
| 7 purchase totals = | $872.57 | $978.7182 | $978.71 | $978.70 | $978.70 | |