Doctor decided to sell her vacation home to Accountant. Accountant and Doctor entered into a signed written agreement which stated that Accountant would buy Doctor's vacation home for $125,000 if Inspector acknowledged that the vacation home passed various tests given by Inspector. Inspector's acknowledgement that the vacation home passed the tests would be considered which of the following? a) An implied condition precedent of Doctor's duty to sell the vacation home. b) An express condition precedent of Accountant's duty to pay Doctor for the vacation home. c) An express condition subsequent of Doctor's duty to sell the vacation home. d) An implied condition subsequent of Accountant's duty to pay Doctor for the vacation home