| 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 | $142.47 | 4.485% | $148.8598 | $148.86 | $148.85 | $148.90 |
| Purchase #2 | $161.28 | 6.350% | $171.5213 | $171.52 | $171.50 | $171.50 |
| Purchase #3 | $29.46 | 8.209% | $31.8784 | $31.88 | $31.90 | $31.90 |
| Purchase #4 | $9.69 | 4.627% | $10.1384 | $10.14 | $10.15 | $10.10 |
| Purchase #5 | $35.85 | 6.493% | $38.1777 | $38.18 | $38.20 | $38.20 |
| Purchase #6 | $21.90 | 5.304% | $23.0616 | $23.06 | $23.05 | $23.10 |
| Purchase #7 | $201.51 | 7.376% | $216.3734 | $216.37 | $216.35 | $216.40 |
| 7 purchase totals = | $602.16 | $640.0106 | $640.01 | $640.00 | $640.10 | |