| 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 | $19.72 | 6.458% | $20.9935 | $20.99 | $21.00 | $21.00 |
| Purchase #2 | $89.50 | 4.187% | $93.2474 | $93.25 | $93.25 | $93.20 |
| Purchase #3 | $44.61 | 9.396% | $48.8016 | $48.80 | $48.80 | $48.80 |
| Purchase #4 | $249.34 | 13.724% | $283.5594 | $283.56 | $283.55 | $283.60 |
| Purchase #5 | $50.83 | 8.326% | $55.0621 | $55.06 | $55.05 | $55.10 |
| Purchase #6 | $87.35 | 9.324% | $95.4945 | $95.49 | $95.50 | $95.50 |
| Purchase #7 | $20.83 | 9.188% | $22.7439 | $22.74 | $22.75 | $22.70 |
| 7 purchase totals = | $562.18 | $619.9024 | $619.89 | $619.90 | $619.90 | |