| 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 | $18.81 | 9.223% | $20.5448 | $20.54 | $20.55 | $20.50 |
| Purchase #2 | $39.50 | 3.637% | $40.9366 | $40.94 | $40.95 | $40.90 |
| Purchase #3 | $124.76 | 8.264% | $135.0702 | $135.07 | $135.05 | $135.10 |
| Purchase #4 | $25.40 | 10.479% | $28.0617 | $28.06 | $28.05 | $28.10 |
| Purchase #5 | $142.37 | 13.324% | $161.3394 | $161.34 | $161.35 | $161.30 |
| Purchase #6 | $87.56 | 3.636% | $90.7437 | $90.74 | $90.75 | $90.70 |
| Purchase #7 | $140.98 | 4.458% | $147.2649 | $147.26 | $147.25 | $147.30 |
| 7 purchase totals = | $579.38 | $623.9613 | $623.95 | $623.95 | $623.90 | |