Sid Salesman sold Bea Buyer a used 2004 Camry for 8,000. The morning after the contract was signed, Sid called Bea to say that he had forgotten that the dealership would not let that Camry go for less than 9,000 so she would have to pay an additional 1,000 if she wanted the car. Is Bea liable for the extra 1,000?a. No, this was a unilateral mistake of fact by Sid.b. Yes, this was a unilateral mistake of fact by Sid.c. Yes, this was a bilateral mistake of fact.d. Yes, Sid has the defense of economic duress.