| Initial amount under section 37(b)(2) | $2,500 | |
| Reductions required by section 37 (b)(3) and (c)(1): | ||
| Social security payments | $1,450 | |
| One-half the excess of adjusted gross income over $7,500 | 250 | 1,700 |
| Section 37 amount | 800 | |
| 15 pct. of $800 | $120 |
| Initial amount under section 37(b)(2) | $3,750 | |
| Reductions required by section 37 (b)(3): | ||
| Railroad retirement pension | $1,550 | |
| Social Security payments | 1,200 | 2,750 |
| Section 37 amount | 1,000 | |
| 15 pct. of $1,000 | 150 | |
| Limitation based upon amount of tax (derived from table reflecting allowance of general tax credit) | $139 |