| 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 | $20.99 | 6.198% | $22.291 | $22.29 | $22.30 | $22.30 |
| Purchase #2 | $31.92 | 3.624% | $33.0768 | $33.08 | $33.10 | $33.10 |
| Purchase #3 | $115.25 | 13.288% | $130.5644 | $130.56 | $130.55 | $130.60 |
| Purchase #4 | $50.78 | 8.325% | $55.0074 | $55.01 | $55.00 | $55.00 |
| Purchase #5 | $133.40 | 4.139% | $138.9214 | $138.92 | $138.90 | $138.90 |
| Purchase #6 | $158.44 | 7.604% | $170.4878 | $170.49 | $170.50 | $170.50 |
| Purchase #7 | $243.63 | 12.745% | $274.6806 | $274.68 | $274.70 | $274.70 |
| 7 purchase totals = | $754.41 | $825.0294 | $825.03 | $825.05 | $825.10 | |