13. During 2019, Albert redeems Series EE savings bonds for $6,000 -- consisting of $2,000 interest and $4,000 principal. Albert had net qualifying education expenses of $5,000 that year. Albert, a single individual, reports adjusted gross income (without the savings bond interest) of $20,000. How much may Albert exclude on his 2019 federal income tax return? A $1,670 B 1,000 2,000 D 330 E None of the above