| 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 | $25.50 | 12.516% | $28.6916 | $28.69 | $28.70 | $28.70 |
| Purchase #2 | $225.67 | 11.644% | $251.947 | $251.95 | $251.95 | $251.90 |
| Purchase #3 | $198.69 | 10.780% | $220.1088 | $220.11 | $220.10 | $220.10 |
| Purchase #4 | $192.58 | 13.344% | $218.2779 | $218.28 | $218.30 | $218.30 |
| Purchase #5 | $37.79 | 7.110% | $40.4769 | $40.48 | $40.50 | $40.50 |
| Purchase #6 | $20.86 | 5.837% | $22.0776 | $22.08 | $22.10 | $22.10 |
| Purchase #7 | $139.77 | 12.465% | $157.1923 | $157.19 | $157.20 | $157.20 |
| 7 purchase totals = | $840.86 | $938.7721 | $938.78 | $938.85 | $938.80 | |