Mickley Corporation produces two products, Alpha6s and Zeta7s, which pass through two operations, Sintering and Finishing. Each of the products uses two raw materials-X442 and Y661. The company uses a standard cost system, with the following standards for each product (on a per unit basis): Raw Material Product Alpha6 Zeta7 X442 1.8 kilos 4.4 kilos Y661 2.4 liters 4.4 liters Standard Labor Time Sintering 0.20 hours 0.40 hours Finishing 1.20 hours 0.80 hours Information relating to materials purchased and materials used in production during May follows: Material X442 Y661 Purchases 15,100 kilos 16,100 liters Purchase Cost $ 40,770 $ 22,540 Standard Price $ 2.50 per kilo $ 1.50 per liter Used in Production 9,600 kilos 14,100 liters The following additional information is available: a. The company recognizes price variances when materials are purchased. b. The standard labor rate is $22.00 per hour in Sintering and $21.50 per hour in Finishing. c. During May, 1,300 direct labor-hours were worked in Sintering at a total labor cost of $30,680, and 2,960 direct labor-hours were worked in Finishing at a total labor cost of $69,560. d. Production during May was 1,700 Alpha6s and 1,550 Zeta7s.