Answer Happy

Bob and Andy enter into a contract which states the following:
"Bob agrees to sell Andy his house at Blue Lake for $10,000." Andy
has given Bob the $10,000 but Bob has yet to transfer title to the
property to Andy. Which of the following is false?
A. The common law of contracts applies to the contract.
B. The parties have entered into a collateral contract.
C. The contract is executory.
D. The statute of frauds requires the contract to be
written.
Agnus hires Ben, her neighbor, to mow her lawn once a week for
the months of June and July. Ben will receive $20 each time
he mows her lawn. After signing the contract, Ben delegates
his duties under the contract to a professional yard maintenance
company, Greenwillow. Which of the following
is true?
A. Agnus may refuse to accept performance by Greenwillow.
B. Ben must also assign his rights under the contract to
Greenwillow.
C. Ben remains liable under the contract if Greenwillow fails to
perform.
D. Agnus is a third party beneficiary under the contract.