John has 2 options to use gym facilities in his community. Plan A: RM3 hourly rate. Plan B: RM2 hourly rate plus RM2 entrance fee per visit during off peak hours. RM4 hourly rate with discount RM1 per visit during peak hours. If John chooses plan A, how many hours he has to use the gym facilities per trip, a. during off peak hours during peak hours in order to make his payment cost effective (Payment to be lower than plan B). Give a conclusion for questions above. (10 marks)