How do I solve for a,b,c,d, and e?

The information below was taken from the job cost sheets of Igmund Manufacturing. Manufacturing Costs as Manufacturing Job Number of June 30 Costs in July 101 $ 3,900 102 3, 700 103 880 $ 2,000 104 2, 300 3, 800 105 5,800 106 3, 400 During July, jobs no. 103 and 104 were completed, and jobs no. 101, 102, and 104 were delivered to customers. Jobs no. 105 and 106 are still in process at July 31. a. Compute the work in process inventory at June 30. b. Compute the finished goods inventory at June 30. c. Compute the cost of goods sold during July. d. Compute the work in process inventory at July 31. e. Compute the finished goods inventory at July 31