| 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 | $28.40 | 9.112% | $30.9878 | $30.99 | $31.00 | $31.00 |
| Purchase #2 | $199.30 | 8.721% | $216.681 | $216.68 | $216.70 | $216.70 |
| Purchase #3 | $194.86 | 7.570% | $209.6109 | $209.61 | $209.60 | $209.60 |
| Purchase #4 | $14.58 | 9.602% | $15.98 | $15.98 | $16.00 | $16.00 |
| Purchase #5 | $156.89 | 7.192% | $168.1735 | $168.17 | $168.15 | $168.20 |
| Purchase #6 | $107.99 | 8.250% | $116.8992 | $116.90 | $116.90 | $116.90 |
| Purchase #7 | $78.89 | 13.134% | $89.2514 | $89.25 | $89.25 | $89.30 |
| 7 purchase totals = | $780.91 | $847.5838 | $847.58 | $847.60 | $847.70 | |