| 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 | $18.86 | 11.272% | $20.9859 | $20.99 | $21.00 | $21.00 |
| Purchase #2 | $39.88 | 7.191% | $42.7478 | $42.75 | $42.75 | $42.70 |
| Purchase #3 | $17.71 | 10.183% | $19.5134 | $19.51 | $19.50 | $19.50 |
| Purchase #4 | $105.69 | 9.205% | $115.4188 | $115.42 | $115.40 | $115.40 |
| Purchase #5 | $164.64 | 10.133% | $181.323 | $181.32 | $181.30 | $181.30 |
| Purchase #6 | $153.96 | 7.781% | $165.9396 | $165.94 | $165.95 | $165.90 |
| Purchase #7 | $91.26 | 7.608% | $98.2031 | $98.20 | $98.20 | $98.20 |
| 7 purchase totals = | $592.00 | $644.1316 | $644.13 | $644.10 | $644.00 | |