EXERCISE 3-7 Applying Overhead With Differing Bases [LO3 - CC5; LO7 - CC14] Estimated cost and operating data for three companies for the upcoming year follow: Company X Y Z Direct labour-hours 80,000 45,000 60,000 Machine-hours 30,000 125,000 21,000 Direct materials cost $400,000 $290,000 $300,000 Manufacturing overhead cost $536,000 $520,000 $480,000