Andrew is a single elementary school teacher with no dependents.He owns a home worth $156,000 on which he owes $135,000.He has a 3-year old car valued at $12,500 on which he owes $8,000.He has about $3,500 remaining on his student loans.His retirement account has grown to $7,800, and he owns stock valued at $4,400.He has no life insurance and is considering buying some.Should he buy life insurance?If so, how much?