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Tierney Company begins operations on April 1. Information from job cost sheets shows the following. Manufacturing Costs Assigned Job Month Completed Number April May June 10 $7,200 $5,700 May 11 5,700 4,300 $3,600 June 12 1,600 April 13 6,000 5,500 June 14 6,100 3,800 Not complete Job 12 was completed in April. Job 10 was completed in May. Jobs 11 and 13 were completed inpune. Each job was sold for 25% above its cost in the month following completion. (a) * Your answer is incorrect. What is the balance in Work in Process Inventory at the end of each month? Work in Process Inventory April 30 $ 1600 May 31 $ 12900 June 30 $ 10,900