Hilary sold meredith a broach that had belonged to her mother. she told meredith, in good faith, that it was a genuine cameo from the 1880's. in fact, it was a copy manufactured in the 1980's out of polymers. meredith can rescind the contract based on
a. fraudulent misrepresentation
b. innocent misrepresentation
c. unilateral mistake of fact
d. unilateral mistake of value