The following data relates to Assembly Division of Cute Wallets, which makes wallets: Physical units (wallets) Direct materials Conversion costs Beginning WIP 1st May (a) 1200 $3,000 $1,200 Completed during May 12015 1800 Ending WIP 31st May (b) 100 Total costs added during May 2015 $80,000 $18,000 The degree of completion is as follows: (a). Beginning WIP: Direct materials 100%; Conversion costs, 60%. (b). Ending WIP: Direct materials 100%; Conversion costs, 40%. Required: a. Calculate equivalent units using the first in First Out (FIFO) method [6 Marks). b. Calculate the cost of beginning Work in Process using the First in First Out (FIFO) [6 Marks)