Sam,age 45,saved Diligently for His College Education by Putting Part

Sam,age 45,saved diligently for his college education by putting part of his pay into U.S.Series EE saving bonds.Sam purchased the bonds for $6,500,and this year he redeemed the bonds for $7,200.He has no other income this year.What amount must Sam include in his gross income?

A) $7,200.
B) $6,500.
C) a maximum of $350 if Sam uses the proceeds to pay for his college tuition and fees.
D) $700 unless Sam uses the proceeds to pay for his college tuition and fees.
E) Zero - proceeds from cashing bonds sold at a discount is not realized income.