| 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 | $19.98 | 4.440% | $20.8671 | $20.87 | $20.85 | $20.90 |
| Purchase #2 | $204.64 | 11.863% | $228.9164 | $228.92 | $228.90 | $228.90 |
| Purchase #3 | $173.75 | 8.639% | $188.7603 | $188.76 | $188.75 | $188.80 |
| Purchase #4 | $161.40 | 6.234% | $171.4617 | $171.46 | $171.45 | $171.50 |
| Purchase #5 | $137.78 | 7.374% | $147.9399 | $147.94 | $147.95 | $147.90 |
| Purchase #6 | $52.99 | 9.517% | $58.0331 | $58.03 | $58.05 | $58.00 |
| Purchase #7 | $14.38 | 13.777% | $16.3611 | $16.36 | $16.35 | $16.40 |
| 7 purchase totals = | $764.92 | $832.3396 | $832.34 | $832.30 | $832.40 | |