| 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 | $19.90 | 4.124% | $20.7207 | $20.72 | $20.70 | $20.70 |
| Purchase #2 | $15.84 | 8.186% | $17.1367 | $17.14 | $17.15 | $17.10 |
| Purchase #3 | $72.27 | 8.686% | $78.5474 | $78.55 | $78.55 | $78.50 |
| Purchase #4 | $25.61 | 10.248% | $28.2345 | $28.23 | $28.25 | $28.20 |
| Purchase #5 | $68.71 | 8.288% | $74.4047 | $74.40 | $74.40 | $74.40 |
| Purchase #6 | $63.70 | 9.815% | $69.9522 | $69.95 | $69.95 | $70.00 |
| Purchase #7 | $64.74 | 10.508% | $71.5429 | $71.54 | $71.55 | $71.50 |
| 7 purchase totals = | $330.77 | $360.5391 | $360.53 | $360.55 | $360.40 | |