| 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 | $9.50 | 4.580% | $9.9351 | $9.94 | $9.95 | $9.90 |
| Purchase #2 | $140.70 | 4.470% | $146.9893 | $146.99 | $147.00 | $147.00 |
| Purchase #3 | $29.30 | 8.220% | $31.7085 | $31.71 | $31.70 | $31.70 |
| Purchase #4 | $39.49 | 6.211% | $41.9427 | $41.94 | $41.95 | $41.90 |
| Purchase #5 | $45.89 | 7.487% | $49.3258 | $49.33 | $49.35 | $49.30 |
| Purchase #6 | $154.31 | 10.213% | $170.0697 | $170.07 | $170.05 | $170.10 |
| Purchase #7 | $53.40 | 5.808% | $56.5015 | $56.50 | $56.50 | $56.50 |
| 7 purchase totals = | $472.59 | $506.4726 | $506.48 | $506.50 | $506.40 | |