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PA4-3 Selecting Cost Drivers, Assigning Costs Using Activity Rates [LO 4-1, 4-3, 4-4, 4-6 Harbour Company makes two models of electronic tablets, the Home and the Work. Basic production information follows Home S 30 Direct Direct labor cost per unit Sales price per unit Expected production per month S 48 30 500 700 units 400 units Harbour has monthly overhead of $175,200, which is divided into the following cost pools: S 68,800 58,400 48,000 $ 175,200 Total The company has also compiled the following information about the chosen cost drivers: 42 100 Number of inspections Number of machine hours 58 340 390 730 1,700 1,300 3,000