| 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 | $9.31 | 6.225% | $9.8895 | $9.89 | $9.90 | $9.90 |
| Purchase #2 | $16.92 | 7.142% | $18.1284 | $18.13 | $18.15 | $18.10 |
| Purchase #3 | $171.71 | 10.198% | $189.221 | $189.22 | $189.20 | $189.20 |
| Purchase #4 | $214.99 | 10.603% | $237.7854 | $237.79 | $237.80 | $237.80 |
| Purchase #5 | $12.71 | 5.252% | $13.3775 | $13.38 | $13.40 | $13.40 |
| Purchase #6 | $128.28 | 8.590% | $139.2993 | $139.30 | $139.30 | $139.30 |
| Purchase #7 | $181.54 | 4.375% | $189.4824 | $189.48 | $189.50 | $189.50 |
| 7 purchase totals = | $735.46 | $797.1835 | $797.19 | $797.25 | $797.20 | |