a. Compute the equivalent units for the conversion cost calculation for March assuming Shirley Processing, Incorporated uses the weighted-average method. b. Compute the cost per equivalent unit for direct materials and conversion costs for March assuming Shirley Processing, Incorpora uses the weighted-average method. Complete this question by entering your answers in the tabs below. Compute the equivalent units for the conversion cost calculation for March assuming Shirley Processing, Incorporated uses the weighted-average method