A child can be a parent’s dependent if under age 24 and a full-time student who does not provide more than half of his/her support. A full-time student means the child is enrolled in school on a full-time basis for at least part of five months during the year. You must decide whether your son meets these tax requirements to be treated as your dependent.
A retirement account to which up to $4,000 (or $5,000 if you are 50 or over) may be contributed for 2007, but deductions for the contribution are restricted if you are covered by a company retirement plan. Earnings accumulate tax free.