| 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 | $17.30 | 4.404% | $18.0619 | $18.06 | $18.05 | $18.10 |
| Purchase #2 | $6.71 | 8.197% | $7.26 | $7.26 | $7.25 | $7.30 |
| Purchase #3 | $136.90 | 8.668% | $148.7665 | $148.77 | $148.75 | $148.80 |
| Purchase #4 | $109.62 | 3.844% | $113.8338 | $113.83 | $113.85 | $113.80 |
| Purchase #5 | $164.90 | 13.690% | $187.4748 | $187.47 | $187.45 | $187.50 |
| Purchase #6 | $126.47 | 9.725% | $138.7692 | $138.77 | $138.75 | $138.80 |
| Purchase #7 | $152.50 | 10.870% | $169.0768 | $169.08 | $169.10 | $169.10 |
| 7 purchase totals = | $714.40 | $783.2430 | $783.24 | $783.20 | $783.40 | |