the answer a is wrong, so i need help with a, b, c. Thank you.

Jenkins Company uses a job order cost system with overhead applied to jobs on the basis of direct labor hours. The direct labor rate is $20 per hour, and the predetermined overhead rate is $15 per direct labor hour. The company worked on three jobs during April. Jobs A and B were in process at the beginning of April. Job A was completed and delivered to the customer. Job B was completed during April, but not sold. Job C was started during April, but not completed. The job cost sheets revealed the following costs for April Job A $11,100 1,100 8,200 Job B Job C Cost of Jobs in Process, 4/1/2016 Direct Materials Used Direct Labor Applied Manufacturing Overhead $1,100 6,200 6,200 6,300 2,100 Required If no other jobs were started, completed, or sold, determine the balance in each of the following accounts at the end of April: a. Work in Process306,000 b. Finished Goods c. Cost of Goods Sold