Cobalt Company uses a job-order costing system and a predetermined overhead rate based on machine hours. At the beginning of the year, the company estimated manufacturing overhead for the year would be $244,800 and machine hours would be 17,000. The following information pertains to December of the current year: Job 10 Work in process, Dec. 1 $16,000 Job 11 $26,000 Job 12 Total $38,000 $80,000 December production activity: Materials requisitioned $14,000 $14,800 $17,200 $46,000 Direct labor cost 24,000 36,000 40,000 100,000 Machine hours 400 hrs. 700 hrs. 900 hrs. 2,000 hrs. Labor hours 120 hrs. 180 hrs. 200 hrs. 500 hrs. Selling and administrative expense incurred in December was $1,700. (Round the overhead rate to the nearest cent and all other amounts to the nearest dollar.) Required: A. Compute the predetermined overhead application rate. Round your answer to the nearest cent. $ B. Determine the total cost associated with each job. Job 10 Job 11