2.Jobs are issued to Mary to make 189 units and to John to make 204 units, for which a time allowance of 20 standard minutes and 15 standard minutes per unit respectively is credited. For every hour saved, bonus is paid at 50% of the base rate which is K4 per hour for both employees. The basic working week is 42 hours. Hours in excess are paid at time and a half. Mary completes her units in 45 hours and John completes his in 39 hours but works a full day. Due to defective material, six of Mary's units and four of John's units produced are scrapped although all units produced are paid for. You are required to calculate for each of them: (a) The amount of bonus payable. (b) The total gross wage payable. (c) The wages cost per good unit made