| 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 | $9.52 | 6.397% | $10.129 | $10.13 | $10.15 | $10.10 |
| Purchase #2 | $7.89 | 12.113% | $8.8457 | $8.85 | $8.85 | $8.80 |
| Purchase #3 | $141.38 | 5.143% | $148.6512 | $148.65 | $148.65 | $148.70 |
| Purchase #4 | $220.32 | 7.834% | $237.5799 | $237.58 | $237.60 | $237.60 |
| Purchase #5 | $46.61 | 7.443% | $50.0792 | $50.08 | $50.10 | $50.10 |
| Purchase #6 | $142.41 | 3.358% | $147.1921 | $147.19 | $147.20 | $147.20 |
| Purchase #7 | $75.70 | 7.699% | $81.5281 | $81.53 | $81.55 | $81.50 |
| 7 purchase totals = | $643.83 | $684.0052 | $684.01 | $684.10 | $684.00 | |