| 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 | $15.29 | 11.673% | $17.0748 | $17.07 | $17.05 | $17.10 |
| Purchase #2 | $201.93 | 12.487% | $227.145 | $227.15 | $227.15 | $227.10 |
| Purchase #3 | $129.27 | 5.409% | $136.2622 | $136.26 | $136.25 | $136.30 |
| Purchase #4 | $10.50 | 5.870% | $11.1164 | $11.12 | $11.10 | $11.10 |
| Purchase #5 | $31.97 | 10.213% | $35.2351 | $35.24 | $35.25 | $35.20 |
| Purchase #6 | $100.77 | 6.739% | $107.5609 | $107.56 | $107.55 | $107.60 |
| Purchase #7 | $99.54 | 5.555% | $105.0694 | $105.07 | $105.05 | $105.10 |
| 7 purchase totals = | $589.27 | $639.4638 | $639.47 | $639.40 | $639.50 | |