Product S during the current year. Unit cost for materlals and direct labor are: Required: a. Compute the predetermined overhead rate under the current method of allocation and determine the unit product cost of each product for the current year. b. The company's overhead costs can be attributed to four major activities. These activities and the amount of overhead cost attributable to each for the current year are given below: Using the data above and an activity-based costing approach, determine the unit product cost of each product for the current year