| 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 | $8.55 | 5.125% | $8.9882 | $8.99 | $9.00 | $9.00 |
| Purchase #2 | $131.71 | 8.126% | $142.4128 | $142.41 | $142.40 | $142.40 |
| Purchase #3 | $143.77 | 13.823% | $163.6433 | $163.64 | $163.65 | $163.60 |
| Purchase #4 | $146.41 | 6.374% | $155.7422 | $155.74 | $155.75 | $155.70 |
| Purchase #5 | $42.27 | 12.358% | $47.4937 | $47.49 | $47.50 | $47.50 |
| Purchase #6 | $103.33 | 9.615% | $113.2652 | $113.27 | $113.25 | $113.30 |
| Purchase #7 | $8.73 | 9.774% | $9.5833 | $9.58 | $9.60 | $9.60 |
| 7 purchase totals = | $584.77 | $641.1287 | $641.12 | $641.15 | $641.10 | |