Hurren Corporation makes a product with the following standard costs Direct Materials Direct Labor Standard Quantity or Hours 2.4 Kilos 0.2 Hours Standard Price or Rate $5.00 $ 20.00 per kilo per hour The company reported the following results concerning this product in June Actual Output Raw materials used in production Actual direct labor hours Purchases of raw materials Actual price of raw materials Actual direct labor rate 14,100 33,400 2,570 46,700 $5.20 $21.50 units kilos hours kilos per kilo per hour a) What was materials price variance for June? b) What was materials quantity variance for June? c) What was the labor rate variance for June? d) What was the labor efficiency variance for June