Answer Happy

Grandpa Willy was found mentally incompetent by a court after he
tried to shear his sheep with a lawn mower. Grandpa Willy is aware
that he needs to take it easy and collect his senses. After
examining his finances he decides he can afford a Caribbean cruise.
After checking with several travel agents he determines that Club
Polygrip offers the best deal. He prepays for a seven day cruise
with Club Polygrip. Grandpa Willy and Club Polygrip have entered
into _______________________. Group of answer choices
A. a voidable contract
B. a valid contract
C. a void contract
D. an executed contract