Bristol Electronics produces wide range of electronic products. The company has a labour based costing system that was introduced in the 1970s and is now considering implementing an activity based costing (ABC) system. Managers are concerned about how they should compare the ABC data with the existing costing system. Selected data from the management accounts for the year ending 31" December 2017. Cost data Total manufacturing overhead for year Total hours for year Direct labour cost per hour Data for 3 products only 1,000,000 60,000 hours 30 Product Product Product A Annual 1,000 2,000 5,000 production units units units Material cost per 5.00 16.00 67.00 unit Direct labour 1.00 hours per unit 0.50 ABC data for all products Annual costs Annual Cost pool driver (Ex) volume Number of set-ups 200,000 Inspection time 500,000 3,000 hours) Machine 100,000 maintenance (hours) 5,000 Number of 100,000 500 purchases Number of 100,000 500 shipments 1,000,000 ABC data 3 products Product Product Product Number of set- 20 180 30 ups Inspection time hours) 20 50 300 Machine maintenance 30 40 20 hours Number of purchases 14 Number of 14 Shipments Determine the total unit cost for Product B using the number of labour hours to apply overhead. Multiple Choice .: 46.00 .C 21.67 . 20.00 25.00