| 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 | $7.72 | 4.436% | $8.0625 | $8.06 | $8.05 | $8.10 |
| Purchase #2 | $71.60 | 12.176% | $80.318 | $80.32 | $80.30 | $80.30 |
| Purchase #3 | $204.84 | 11.496% | $228.3884 | $228.39 | $228.40 | $228.40 |
| Purchase #4 | $28.41 | 9.110% | $30.9982 | $31.00 | $31.00 | $31.00 |
| Purchase #5 | $85.97 | 5.350% | $90.5694 | $90.57 | $90.55 | $90.60 |
| Purchase #6 | $173.74 | 9.452% | $190.1619 | $190.16 | $190.15 | $190.20 |
| Purchase #7 | $46.57 | 11.164% | $51.7691 | $51.77 | $51.75 | $51.80 |
| 7 purchase totals = | $618.85 | $680.2675 | $680.27 | $680.20 | $680.40 | |