| 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 | $18.51 | 10.177% | $20.3938 | $20.39 | $20.40 | $20.40 |
| Purchase #2 | $38.32 | 4.625% | $40.0923 | $40.09 | $40.10 | $40.10 |
| Purchase #3 | $145.40 | 12.332% | $163.3307 | $163.33 | $163.35 | $163.30 |
| Purchase #4 | $197.30 | 6.377% | $209.8818 | $209.88 | $209.90 | $209.90 |
| Purchase #5 | $96.86 | 13.349% | $109.7898 | $109.79 | $109.80 | $109.80 |
| Purchase #6 | $202.82 | 8.365% | $219.7859 | $219.79 | $219.80 | $219.80 |
| Purchase #7 | $74.43 | 6.266% | $79.0938 | $79.09 | $79.10 | $79.10 |
| 7 purchase totals = | $773.64 | $842.3681 | $842.36 | $842.45 | $842.40 | |