Table:
family type
benefit rate
minimum income qualified for benefit
minimum income for maximum benefit
maximum benefit
phase-out rate
phase-out range

beginning income
ending income

single individual
25
3,000
6,992
998
15
11,332
17,986

family
25
3,000
10,252
1,813
15
15,649
27,236

Statement: for families the benefit was reduced at the same rate for every dollar of income above $15,649, returning to zero for incomes above $27,236.
Question: for families, what is the reducing rate for every dollar of income above $15,649, returning to zero for incomes above $27,236.
Answer: [15.0]