| 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 | $15.40 | 3.102% | $15.8777 | $15.88 | $15.90 | $15.90 |
| Purchase #2 | $138.41 | 9.425% | $151.4551 | $151.46 | $151.45 | $151.50 |
| Purchase #3 | $41.48 | 8.414% | $44.9701 | $44.97 | $44.95 | $45.00 |
| Purchase #4 | $132.65 | 8.554% | $143.9969 | $144.00 | $144.00 | $144.00 |
| Purchase #5 | $70.27 | 11.376% | $78.2639 | $78.26 | $78.25 | $78.30 |
| Purchase #6 | $38.47 | 3.229% | $39.7122 | $39.71 | $39.70 | $39.70 |
| Purchase #7 | $159.37 | 7.528% | $171.3674 | $171.37 | $171.35 | $171.40 |
| 7 purchase totals = | $596.05 | $645.6433 | $645.65 | $645.60 | $645.80 | |