Xsells a house to y for $300,000. before selling the house, x forgets to tell y about a leaky faucet (links to an external site.) in a little-used sink in the basement (which would cost about $10 to fix). y inspected the house, but just didn't notice the faucet. later, y wants to rescind the deal on the basis of fraud or misrepresentation because of the leaky faucet. which of the following is the best reason why y cannot rescind?