I believe it's A but I'm not sure

Question 7 5 points / Saved Evan visits the electronics store "Lowest Dollar" to purchase some discounted televisions for his electronics store. He and the owner of Lowest Dollar are good friends, so when he arrives at the store, he pays the owner the normal flat fee, and the owner directs him to go into the basement and help himself to the boxes of miscellaneous electronic items in the plain brown card board boxes on the far left wall. After Evan has taken the items and left the store, the owner notices that the items that he had set aside for Evan are on the far right wall. The far left wall contained boxes of the Apple iphones 11's. Without the owners knowledge, one of the employees at Lowest Dollar had moved the items. The owner contacts Evan who claims that he took the correct boxes refuses to return the phones. If the owner sues Evan to rescind the contract, he will likely a. Win under the doctrine of unilateral mistake if he can prove that Evan had knowledge of the mistake b. Win under the doctrine of fraudulent misrepresentation O c. Win under the doctrine of mutual mistake O d. Lose under the doctrine of unilateral mistake if he can prove that Evan had knowledge of the mistake