| 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 | $18.79 | 12.646% | $21.1662 | $21.17 | $21.15 | $21.20 |
| Purchase #2 | $191.77 | 9.700% | $210.3717 | $210.37 | $210.35 | $210.40 |
| Purchase #3 | $121.52 | 13.199% | $137.5594 | $137.56 | $137.55 | $137.60 |
| Purchase #4 | $151.84 | 5.804% | $160.6528 | $160.65 | $160.65 | $160.70 |
| Purchase #5 | $117.50 | 10.396% | $129.7153 | $129.72 | $129.70 | $129.70 |
| Purchase #6 | $18.71 | 11.371% | $20.8375 | $20.84 | $20.85 | $20.80 |
| Purchase #7 | $20.38 | 8.631% | $22.139 | $22.14 | $22.15 | $22.10 |
| 7 purchase totals = | $640.51 | $702.4419 | $702.45 | $702.40 | $702.50 | |