Builder Products, Inc., manufactures a caulking compound that goes through three processing stages prior to completion. Information on work in the first department, Cooking, is given below for May: Production data: Pounds in process, May 1; materials 100% complete; conversion 90% complete 66,000 Pounds started into production during May 310,000 Pounds completed and transferred out ? Pounds in process, May 31: materials 70% complete; conversion 30% complete 26,000 Cost data: Work in process inventory, May 1: Materials cost $ 68,300 Conversion cost $ 19,300 Cost added during May: Materials cost $ 355,130 Conversion cost $ 105,930 1. Compute the equivalent units of production 2. Compute the costs per equivalent unit for the month 3. Determine the cost of ending work in process inventory and of the units transferred out to the next department. 4. Prepare a cost reconciliation report for the month.