[37] Laurence the tourism-enthusiastic passenger (Variant of Activity 3A) Hugo agreed to drive Laurence to Cardiff. Laurence asked Hugo to stop for an hour to permit him (Laurence) to take photographs of a famous Welsh castle. In return, Laurence agreed to pay Hugo an additional 100. At the conclusion of the journey, Laurence refused to pay the extra 100. Hugo then took Laurence to small claims court. [a] To resolve the matter whether the extra 100 is due and payable, which legal rule will the judge have to apply? Identify that rule. [b] In apply that rule, what will be the case outcome. Explain using appropriate legal theory derived from that rule. [Note: answers that do not utilize relevant legal theory will received ZERO credit.] [c] Would your answer change if at the time Hugo's car broke down, right by the Welsh Castle, and needed a repairman's service to fix his vehicle. Waiting for the repairman to turn up and the repair consumed one whole hour. Would these new facts affect your answer to the question [b] above. Answer YES of NO and explain. [Note: answers that do not utilize relevant legal theory will receive ZERO credit.]