| 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 | $19.64 | 3.664% | $20.3596 | $20.36 | $20.35 | $20.40 |
| Purchase #2 | $12.73 | 3.180% | $13.1348 | $13.13 | $13.15 | $13.10 |
| Purchase #3 | $98.57 | 8.641% | $107.0874 | $107.09 | $107.10 | $107.10 |
| Purchase #4 | $82.77 | 8.734% | $89.9991 | $90.00 | $90.00 | $90.00 |
| Purchase #5 | $99.43 | 12.358% | $111.7176 | $111.72 | $111.70 | $111.70 |
| Purchase #6 | $28.30 | 9.578% | $31.0106 | $31.01 | $31.00 | $31.00 |
| Purchase #7 | $34.53 | 4.626% | $36.1274 | $36.13 | $36.15 | $36.10 |
| 7 purchase totals = | $375.97 | $409.4365 | $409.44 | $409.45 | $409.40 | |