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 | $19.57 | 9.255% | $21.3812 | $21.38 | $21.40 | $21.40 |
Purchase #2 | $37.88 | 3.678% | $39.2732 | $39.27 | $39.25 | $39.30 |
Purchase #3 | $51.77 | 4.413% | $54.0546 | $54.05 | $54.05 | $54.10 |
Purchase #4 | $103.62 | 5.404% | $109.2196 | $109.22 | $109.20 | $109.20 |
Purchase #5 | $209.76 | 12.588% | $236.1646 | $236.16 | $236.15 | $236.20 |
Purchase #6 | $171.37 | 5.587% | $180.9444 | $180.94 | $180.95 | $180.90 |
Purchase #7 | $219.87 | 13.206% | $248.906 | $248.91 | $248.90 | $248.90 |
7 purchase totals = | $813.84 | $889.9436 | $889.93 | $889.90 | $890.00 |