| 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 | $18.31 | 12.245% | $20.5521 | $20.55 | $20.55 | $20.60 |
| Purchase #2 | $120.90 | 12.800% | $136.3752 | $136.38 | $136.40 | $136.40 |
| Purchase #3 | $234.27 | 6.572% | $249.6662 | $249.67 | $249.65 | $249.70 |
| Purchase #4 | $211.53 | 8.813% | $230.1721 | $230.17 | $230.15 | $230.20 |
| Purchase #5 | $155.55 | 9.377% | $170.1359 | $170.14 | $170.15 | $170.10 |
| Purchase #6 | $28.56 | 8.699% | $31.0444 | $31.04 | $31.05 | $31.00 |
| Purchase #7 | $237.46 | 6.458% | $252.7952 | $252.80 | $252.80 | $252.80 |
| 7 purchase totals = | $1,006.58 | $1,090.7411 | $1,090.75 | $1,090.75 | $1,090.80 | |