| 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 | $5.99 | 6.450% | $6.3764 | $6.38 | $6.40 | $6.40 |
| Purchase #2 | $15.57 | 13.249% | $17.6329 | $17.63 | $17.65 | $17.60 |
| Purchase #3 | $136.66 | 4.132% | $142.3068 | $142.31 | $142.30 | $142.30 |
| Purchase #4 | $142.44 | 7.823% | $153.5831 | $153.58 | $153.60 | $153.60 |
| Purchase #5 | $11.84 | 9.769% | $12.9966 | $13.00 | $13.00 | $13.00 |
| Purchase #6 | $105.67 | 9.868% | $116.0975 | $116.10 | $116.10 | $116.10 |
| Purchase #7 | $166.56 | 13.451% | $188.964 | $188.96 | $188.95 | $189.00 |
| 7 purchase totals = | $584.73 | $637.9573 | $637.96 | $638.00 | $638.00 | |