Alice is interested in buying a house from Cooper.State law requires the sale of a house to be evinced by a writing.Alice offers Cooper $120,000 for his house.Cooper says "can you raise your price?"Alice says "no, $120,000 is the best I can do."Two weeks later, Cooper sends Alice a letter saying he accepts her offer.Students should answer the following questions 1) Is this a unilateral or bilateral contract?Express or implied? Implied or informal?2) Can Cooper still accept Alice's offer?Why or why not?