| 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 | $13.57 | 4.400% | $14.1671 | $14.17 | $14.15 | $14.20 |
| Purchase #2 | $247.98 | 7.153% | $265.718 | $265.72 | $265.70 | $265.70 |
| Purchase #3 | $110.40 | 10.793% | $122.3155 | $122.32 | $122.30 | $122.30 |
| Purchase #4 | $13.43 | 7.510% | $14.4386 | $14.44 | $14.45 | $14.40 |
| Purchase #5 | $28.29 | 12.700% | $31.8828 | $31.88 | $31.90 | $31.90 |
| Purchase #6 | $58.49 | 7.834% | $63.0721 | $63.07 | $63.05 | $63.10 |
| Purchase #7 | $117.73 | 9.319% | $128.7013 | $128.70 | $128.70 | $128.70 |
| 7 purchase totals = | $589.89 | $640.2954 | $640.30 | $640.25 | $640.30 | |