| 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 | $9.55 | 4.534% | $9.983 | $9.98 | $10.00 | $10.00 |
| Purchase #2 | $211.99 | 8.363% | $229.7187 | $229.72 | $229.70 | $229.70 |
| Purchase #3 | $39.58 | 8.389% | $42.9004 | $42.90 | $42.90 | $42.90 |
| Purchase #4 | $129.89 | 8.306% | $140.6787 | $140.68 | $140.70 | $140.70 |
| Purchase #5 | $6.83 | 13.477% | $7.7505 | $7.75 | $7.75 | $7.80 |
| Purchase #6 | $50.78 | 6.781% | $54.2234 | $54.22 | $54.20 | $54.20 |
| Purchase #7 | $89.32 | 6.215% | $94.8712 | $94.87 | $94.85 | $94.90 |
| 7 purchase totals = | $537.94 | $580.1259 | $580.12 | $580.10 | $580.20 | |