Ed and Betty, both ago 62, filed a joint return for this year. They provided all the support for their son who is age 19 and had no income Their daughter, age 21 and a full-time student at a university, nad 54,200 of income and provided 40% of her own support during this year How many dependents should Ed and Betty claim on their joint income tax return this year? 01 0.2 05 04 None of the above