Keyser Corporation The following information is available for Keyser Corporation for the current year: Beginning Work in Process Cost of Beginning Work in Process: (75% complete) 14,500 units Started 75,000 units Material Conversion $25,100 50,000 Ending Work in Process Current Costs: (60% complete) 16,000 units Material $120,000 Abnormal spoilage 2,500 units Conversion 300,000 Normal spoilage (continuous) 5,000 units Transferred out 66,000 units All materials are added at the start of production. Refer to Keyser Corporation. Using FIFO, what is the cost per equivalent unit for conversion costs? Select one: a. $3.84 b. $4.46 c. $4.30 d. $4.15