| 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 | $28.32 | 11.222% | $31.4981 | $31.50 | $31.50 | $31.50 |
| Purchase #2 | $20.55 | 9.103% | $22.4207 | $22.42 | $22.40 | $22.40 |
| Purchase #3 | $178.42 | 3.732% | $185.0786 | $185.08 | $185.10 | $185.10 |
| Purchase #4 | $39.48 | 6.363% | $41.9921 | $41.99 | $42.00 | $42.00 |
| Purchase #5 | $104.98 | 13.559% | $119.2142 | $119.21 | $119.20 | $119.20 |
| Purchase #6 | $28.51 | 5.318% | $30.0262 | $30.03 | $30.05 | $30.00 |
| Purchase #7 | $239.76 | 4.378% | $250.2567 | $250.26 | $250.25 | $250.30 |
| 7 purchase totals = | $640.02 | $680.4866 | $680.49 | $680.50 | $680.50 | |