| 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 | $20.34 | 3.601% | $21.0724 | $21.07 | $21.05 | $21.10 |
| Purchase #2 | $103.34 | 3.661% | $107.1233 | $107.12 | $107.10 | $107.10 |
| Purchase #3 | $72.56 | 11.554% | $80.9436 | $80.94 | $80.95 | $80.90 |
| Purchase #4 | $19.78 | 6.529% | $21.0714 | $21.07 | $21.05 | $21.10 |
| Purchase #5 | $11.38 | 3.388% | $11.7656 | $11.77 | $11.75 | $11.80 |
| Purchase #6 | $183.44 | 5.328% | $193.2137 | $193.21 | $193.20 | $193.20 |
| Purchase #7 | $185.47 | 10.567% | $205.0686 | $205.07 | $205.05 | $205.10 |
| 7 purchase totals = | $596.31 | $640.2586 | $640.25 | $640.15 | $640.30 | |