April Purchases $18,000 of Goods from Lin on Thirty Days

Multiple Choice

April purchases $18,000 of goods from Lin on thirty days' credit,and Lin assigns the account to Indra.If April finds the goods defective and only worth $16,000:

A) she has no defense against full payment since the account was assigned.
B) she only needs to pay Indra $16,000 if Indra had notified her of the assignment.
C) Indra is entitled to the full $18,000 since she acquires rights greater than those of Lin,who assigned the contractual rights to payment.
D) she must pay $16,000 directly to Lin regardless of whether Indra notified her of the assignment.