| 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 | $18.67 | 9.186% | $20.385 | $20.39 | $20.40 | $20.40 |
| Purchase #2 | $129.91 | 11.666% | $145.0653 | $145.07 | $145.05 | $145.10 |
| Purchase #3 | $86.43 | 9.122% | $94.3141 | $94.31 | $94.30 | $94.30 |
| Purchase #4 | $52.85 | 13.503% | $59.9863 | $59.99 | $60.00 | $60.00 |
| Purchase #5 | $21.55 | 10.424% | $23.7964 | $23.80 | $23.80 | $23.80 |
| Purchase #6 | $14.97 | 11.306% | $16.6625 | $16.66 | $16.65 | $16.70 |
| Purchase #7 | $193.80 | 10.204% | $213.5754 | $213.58 | $213.60 | $213.60 |
| 7 purchase totals = | $518.18 | $573.7850 | $573.80 | $573.80 | $573.90 | |