| 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 | $18.75 | 6.651% | $19.9971 | $20.00 | $20.00 | $20.00 |
| Purchase #2 | $99.88 | 8.112% | $107.9823 | $107.98 | $108.00 | $108.00 |
| Purchase #3 | $165.43 | 3.536% | $171.2796 | $171.28 | $171.30 | $171.30 |
| Purchase #4 | $243.95 | 6.493% | $259.7897 | $259.79 | $259.80 | $259.80 |
| Purchase #5 | $18.92 | 9.618% | $20.7397 | $20.74 | $20.75 | $20.70 |
| Purchase #6 | $14.88 | 13.384% | $16.8715 | $16.87 | $16.85 | $16.90 |
| Purchase #7 | $37.70 | 7.496% | $40.526 | $40.53 | $40.55 | $40.50 |
| 7 purchase totals = | $599.51 | $637.1859 | $637.19 | $637.25 | $637.20 | |