| 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 | $7.99 | 13.613% | $9.0777 | $9.08 | $9.10 | $9.10 |
| Purchase #2 | $240.60 | 3.390% | $248.7563 | $248.76 | $248.75 | $248.80 |
| Purchase #3 | $81.85 | 5.612% | $86.4434 | $86.44 | $86.45 | $86.40 |
| Purchase #4 | $33.92 | 11.375% | $37.7784 | $37.78 | $37.80 | $37.80 |
| Purchase #5 | $70.90 | 12.640% | $79.8618 | $79.86 | $79.85 | $79.90 |
| Purchase #6 | $79.65 | 4.358% | $83.1211 | $83.12 | $83.10 | $83.10 |
| Purchase #7 | $95.90 | 4.609% | $100.32 | $100.32 | $100.30 | $100.30 |
| 7 purchase totals = | $610.81 | $645.3587 | $645.36 | $645.35 | $645.40 | |