| 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 | $18.56 | 11.167% | $20.6326 | $20.63 | $20.65 | $20.60 |
| Purchase #2 | $133.40 | 12.432% | $149.9843 | $149.98 | $150.00 | $150.00 |
| Purchase #3 | $27.38 | 8.567% | $29.7256 | $29.73 | $29.75 | $29.70 |
| Purchase #4 | $45.31 | 13.163% | $51.2742 | $51.27 | $51.25 | $51.30 |
| Purchase #5 | $6.99 | 11.320% | $7.7813 | $7.78 | $7.80 | $7.80 |
| Purchase #6 | $223.80 | 4.718% | $234.3589 | $234.36 | $234.35 | $234.40 |
| Purchase #7 | $140.81 | 8.354% | $152.5733 | $152.57 | $152.55 | $152.60 |
| 7 purchase totals = | $596.25 | $646.3302 | $646.32 | $646.35 | $646.40 | |