| 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 | $28.79 | 3.160% | $29.6998 | $29.70 | $29.70 | $29.70 |
| Purchase #2 | $13.31 | 5.747% | $14.0749 | $14.07 | $14.05 | $14.10 |
| Purchase #3 | $9.77 | 6.730% | $10.4275 | $10.43 | $10.45 | $10.40 |
| Purchase #4 | $148.32 | 13.692% | $168.628 | $168.63 | $168.65 | $168.60 |
| Purchase #5 | $101.91 | 11.461% | $113.5899 | $113.59 | $113.60 | $113.60 |
| Purchase #6 | $115.51 | 12.245% | $129.6542 | $129.65 | $129.65 | $129.70 |
| Purchase #7 | $156.93 | 8.657% | $170.5154 | $170.52 | $170.50 | $170.50 |
| 7 purchase totals = | $574.54 | $636.5897 | $636.59 | $636.60 | $636.60 | |