| 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 | $9.99 | 3.253% | $10.315 | $10.32 | $10.30 | $10.30 |
| Purchase #2 | $138.49 | 12.576% | $155.9065 | $155.91 | $155.90 | $155.90 |
| Purchase #3 | $84.77 | 5.449% | $89.3891 | $89.39 | $89.40 | $89.40 |
| Purchase #4 | $75.31 | 11.733% | $84.1461 | $84.15 | $84.15 | $84.10 |
| Purchase #5 | $24.75 | 11.268% | $27.5388 | $27.54 | $27.55 | $27.50 |
| Purchase #6 | $246.38 | 3.121% | $254.0695 | $254.07 | $254.05 | $254.10 |
| Purchase #7 | $25.46 | 6.586% | $27.1368 | $27.14 | $27.15 | $27.10 |
| 7 purchase totals = | $605.15 | $648.5018 | $648.52 | $648.50 | $648.40 | |