Amy was employed by Penelope, a reclusive art collector, as an agent.Penelope would send Amy to art shows to purchase artwork on her behalf.While attending an art gallery opening for Trey, an artist whose work Penelope admired, Amy approached Trey and, with Penelope's authorization, offered to purchase one of Trey's paintings. Trey accepted the offer and Amy signed a memorandum confirming the sale.Because Penelope was very private about her art collection, Amy did not reveal to Trey that she was purchasing the painting for Penelope.Trey only discovered that Penelope was the actual purchaser when she later changed her mind about the painting and refused to pay for it as agreed.If Trey wishes to sue for breach of contract, which of the following iscorrect?

Group of answer choices

Neither Amy nor Penelope is liable on the contract.

Only Penelope is liable on the contract.

Trey may choose to hold either Penelope or Amy liable on the contract.

Only Amy is liable on the contract.