Ronald is 92 years old and in poor health. Clever investing earlier in his life has left him with a sizeable income. He is able to support his son Ed. Ed is 67 years old and a bit "confused," so he lives in a nursing home. Ed's income is less than $2,000. How many dependents should Ronald claim on his tax return?

.0

b.3

c.2

d.1

e.None of these choices are correct.