| 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 | $27.96 | 10.836% | $30.9897 | $30.99 | $31.00 | $31.00 |
| Purchase #2 | $79.49 | 6.368% | $84.5519 | $84.55 | $84.55 | $84.60 |
| Purchase #3 | $128.54 | 8.625% | $139.6266 | $139.63 | $139.65 | $139.60 |
| Purchase #4 | $46.72 | 7.536% | $50.2408 | $50.24 | $50.25 | $50.20 |
| Purchase #5 | $235.68 | 13.447% | $267.3719 | $267.37 | $267.35 | $267.40 |
| Purchase #6 | $32.31 | 4.398% | $33.731 | $33.73 | $33.75 | $33.70 |
| Purchase #7 | $32.31 | 12.649% | $36.3969 | $36.40 | $36.40 | $36.40 |
| 7 purchase totals = | $583.01 | $642.9088 | $642.91 | $642.95 | $642.90 | |