Grant Marwick and Associates, a CPA fim uses job arder costing to rber Listed belaw jobs. There were no audit jobs in process at the beginning af Novernbe conceming the three audit jobs conducted during Navember ob arder costing to capture the costs of its audit Listed below are data Direct materials Auditor labor costs Auditor hours Rondeli $800 $5,900 Praston 5500 $6 600 Lopez 5300 $3,700 45 Overhead costs are applied to jobs on the basis of auditor hours. and the predetermined overhead rate is $50 per auditor hour. The Rondeli ab the only noomplete jab at the end of November. Actual overhead for the month was $10.500, customers are billed at cast plus 25% when Joo is complete Instructions (a) Determine the cost of each job. (b) What is biling for audit jobs for the month