| 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 | $28.60 | 9.774% | $31.3954 | $31.40 | $31.40 | $31.40 |
| Purchase #2 | $207.61 | 10.867% | $230.171 | $230.17 | $230.15 | $230.20 |
| Purchase #3 | $175.64 | 7.257% | $188.3862 | $188.39 | $188.40 | $188.40 |
| Purchase #4 | $20.80 | 13.349% | $23.5766 | $23.58 | $23.60 | $23.60 |
| Purchase #5 | $133.42 | 7.189% | $143.0116 | $143.01 | $143.00 | $143.00 |
| Purchase #6 | $129.47 | 8.459% | $140.4219 | $140.42 | $140.40 | $140.40 |
| Purchase #7 | $148.65 | 7.579% | $159.9162 | $159.92 | $159.90 | $159.90 |
| 7 purchase totals = | $844.19 | $916.8789 | $916.89 | $916.85 | $916.90 | |