| 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 | $28.69 | 10.589% | $31.728 | $31.73 | $31.75 | $31.70 |
| Purchase #2 | $7.61 | 13.102% | $8.6071 | $8.61 | $8.60 | $8.60 |
| Purchase #3 | $219.39 | 9.631% | $240.5195 | $240.52 | $240.50 | $240.50 |
| Purchase #4 | $8.39 | 12.434% | $9.4332 | $9.43 | $9.45 | $9.40 |
| Purchase #5 | $181.81 | 4.510% | $190.0096 | $190.01 | $190.00 | $190.00 |
| Purchase #6 | $16.56 | 13.725% | $18.8329 | $18.83 | $18.85 | $18.80 |
| Purchase #7 | $140.74 | 6.113% | $149.3434 | $149.34 | $149.35 | $149.30 |
| 7 purchase totals = | $603.19 | $648.4737 | $648.47 | $648.50 | $648.30 | |