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Exercise 11.20 page 804 L0 3 I ID 1120 Mallett Manufacturing estimates the following activity for the coming year. ' expected production 50000 units - expected direct labour hours 5000 hours - expected manu'acturing overhead $200 000. Manufacturing overhead is allocated on the basis of direct labour hows. At the end of the financial period. the following information was collected: - direct labour hours 4000 hours - manufacturing overhead $220 000. Required a. Calculate the predetermined indirect cost rate at the beginning of the year. b. Calculate the actual indirect cost rate for the year