| 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 | $16.99 | 8.716% | $18.4708 | $18.47 | $18.45 | $18.50 |
| Purchase #2 | $78.78 | 11.809% | $88.0831 | $88.08 | $88.10 | $88.10 |
| Purchase #3 | $131.47 | 9.576% | $144.0596 | $144.06 | $144.05 | $144.10 |
| Purchase #4 | $209.73 | 13.572% | $238.1946 | $238.19 | $238.20 | $238.20 |
| Purchase #5 | $108.47 | 5.239% | $114.1527 | $114.15 | $114.15 | $114.20 |
| Purchase #6 | $169.61 | 4.586% | $177.3883 | $177.39 | $177.40 | $177.40 |
| Purchase #7 | $122.81 | 12.549% | $138.2214 | $138.22 | $138.20 | $138.20 |
| 7 purchase totals = | $837.86 | $918.5705 | $918.56 | $918.55 | $918.70 | |