Ultra, Inc. manufactures and sells a full line of sunglasses. The company uses a standard cost system. Department managers' are held responsible for the explanation of the variances in their department performance reports. Recently, the variances in the Prestige line of sunglasses have been of concern. Data for the month of August is presented below. Assume beginning and ending inventory levels for WiP and FG are zero Static Budget $600,000 $150,000 $135,000 $114,000 $201,000 Actual $575,000 $145,000 $142,000 $111,000 $177,000 revenues DM DL FOH (cost driver = DL hours) gross profit selling price per Prestige sunglass DM (total # ounces) DL rate ( per DL hour $76.923 15,600 $18.00 $78.767 16,000 $14.20