and his spouse, Stefanie, (both over 65) are fling a joint return for 2018. They have an adjusted gross income (AGI) tax-exempt or foreign income) and receive combined Social Security benefits of $14,000. As a result, of $28,000 (and no their combined income is $28,000 $7,000 (half of Social Security benefits) $35,000, which is $3,000 above the $32,000 threshold. Therefore, Dave and Stefanie's AGI increases by what amount? B. $1.000 0 $1,500 D. $2.550 and his spouse, Stefanie, (both over 65) are fling a joint return for 2018. They have an adjusted gross income (AGI) tax-exempt or foreign income) and receive combined Social Security benefits of $14,000. As a result, of $28,000 (and no their combined income is $28,000 $7,000 (half of Social Security benefits) $35,000, which is $3,000 above the $32,000 threshold. Therefore, Dave and Stefanie's AGI increases by what amount? B. $1.000 0 $1,500 D. $2.550