A company uses the FIFO method for inventory costing. During a period, a production department had 58,000 units in beginning goods in process inventory which were 31% complete; the department completed and transferred 166,000 units. At the end of the period, 13,000 units were in the ending goods in process inventory and are 66% complete. All of these are with respect to labor. The production department had labor costs in the beginning goods is process inventory of $88,000 and total labor costs added during the period are $726,575. Compute the equivalent cost per unit for labor. $4.73. $5.21. $4.64. $4.67. $4.85.