The ledger of Cullumber Company has the following work in process inventory account. Production records show that there were 400 units in the beginning inventory, 30% complete, 1,700 units started into production, and 1,400 units completed and transferred out. The beginning work in process had materials cost of $2,240 and conversion costs of $1,650. The units in ending inventory were 40% complete as to conversion costs. Materials are entered at the beginning of the painting process, and conversion costs are incurred uniformly throughout the process. How many units are in process at May 31? Work in process, May 31 units What is the unit materials cost for May? (Round unit cost to 2 decimal places, e.g. 2.25.) The unit materials cost for May $ What is the unit conversion cost for May? (Round unit cost to 2 decimal places, e.g. 2.25.) How many units are in process at May 31? Work in process, May 31 units What is the unit materials cost for May? (Round unit cost to 2 decimal places, e.g. 2.25.) The unit materials cost for May $ What is the unit conversion cost for May? (Round unit cost to 2 decimal places, e.g. 2.25.) What is the total cost of units completed and transferred out in May? $ What is the cost of the May 31 work in process inventory