Se Manufacturing design and manufactures batus for home and commercial applications. The company recorded the following data for ts commercial bathtub production line during the month of March: Sundad DL hours per tub 3 Standard Overhead ratio per DL hout $4.00 Standard cont per un $12.00 Acaloverhead costs Actuall hours Acul avea cost per machine hour 512,650 2.300 $550 Actual produced 800 What the wate marufacturing ovestead officiency variance March? SA 5400 favor OB. 33.450 favor OC $3,450 urtavorable OD 5400 ron Cout case McBORAL SA * 3: esc : A 8 8 7 C 9 7 2 8 4 3 6 W E R T Y U 0 S D F G H K L