| 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 | $18.50 | 13.424% | $20.9834 | $20.98 | $21.00 | $21.00 |
| Purchase #2 | $158.45 | 8.183% | $171.416 | $171.42 | $171.40 | $171.40 |
| Purchase #3 | $84.43 | 9.532% | $92.4779 | $92.48 | $92.50 | $92.50 |
| Purchase #4 | $77.59 | 10.210% | $85.5119 | $85.51 | $85.50 | $85.50 |
| Purchase #5 | $164.47 | 11.804% | $183.884 | $183.88 | $183.90 | $183.90 |
| Purchase #6 | $202.47 | 7.305% | $217.2604 | $217.26 | $217.25 | $217.30 |
| Purchase #7 | $105.44 | 4.367% | $110.0446 | $110.04 | $110.05 | $110.00 |
| 7 purchase totals = | $811.35 | $881.5782 | $881.57 | $881.60 | $881.60 | |