Heather Chooses to Buy a Scarf from Macy's and Reads

Multiple Choice

Heather chooses to buy a scarf from Macy's and reads the price on the tag as $50.She uses her credit card to pay for the scarf,but only after the purchase does she notice that the price tag actually says $500.This is an instance of a(n) ________.

A) bilateral mistake
B) mutual mistake of value
C) innocent misrepresentation
D) unilateral mistake