Multiple Cost Drivers Scottsdale Ltd. manufactures a variety of high-volume and low-volume products to customer demand. Presented is information on 2009 manufacturing overhead and activity cost drivers. Product X1 required 2,000 machine hours to fill 10 customer orders for a total of 8,000 units. (a) Assuming all manufacturing overhead is estimated and predicted on the basis of machine hours, determine the predicted total overhead costs to produce the 8,000 units of product X1. 9 product X1. product X1. $ $