| 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 | $19.97 | 4.676% | $20.9038 | $20.90 | $20.90 | $20.90 |
| Purchase #2 | $110.54 | 10.158% | $121.7687 | $121.77 | $121.75 | $121.80 |
| Purchase #3 | $76.87 | 7.731% | $82.8128 | $82.81 | $82.80 | $82.80 |
| Purchase #4 | $181.48 | 4.241% | $189.1766 | $189.18 | $189.20 | $189.20 |
| Purchase #5 | $149.89 | 5.629% | $158.3273 | $158.33 | $158.35 | $158.30 |
| Purchase #6 | $162.49 | 4.640% | $170.0295 | $170.03 | $170.05 | $170.00 |
| Purchase #7 | $129.76 | 13.864% | $147.7499 | $147.75 | $147.75 | $147.70 |
| 7 purchase totals = | $831.00 | $890.7686 | $890.77 | $890.80 | $890.70 | |