6} Williams Corporation's Department A has the following information: - _- \" _ _ - \" Required: 1. Use the FIFO method to calculate: (a) Equivalent units. (13) Cost per unit, rounded to three decimal places. (c) Cost completed and transferred out, rounded to the nearest Whole dollar. (d) Cost in the ending work-inprocess inventory, rounded to the nearest whole dollar. 2. Use the weighted-average method to answer items (a) through (d) in requirement 1