| 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 | $12.34 | 5.304% | $12.9945 | $12.99 | $13.00 | $13.00 |
| Purchase #2 | $92.90 | 12.211% | $104.244 | $104.24 | $104.25 | $104.20 |
| Purchase #3 | $91.87 | 12.365% | $103.2297 | $103.23 | $103.25 | $103.20 |
| Purchase #4 | $156.72 | 13.688% | $178.1718 | $178.17 | $178.15 | $178.20 |
| Purchase #5 | $164.41 | 12.168% | $184.4154 | $184.42 | $184.40 | $184.40 |
| Purchase #6 | $173.48 | 4.376% | $181.0715 | $181.07 | $181.05 | $181.10 |
| Purchase #7 | $90.40 | 12.536% | $101.7325 | $101.73 | $101.75 | $101.70 |
| 7 purchase totals = | $782.12 | $865.8594 | $865.85 | $865.85 | $865.80 | |