i) Determine the total unit cost for each product using the number of labour hours to apply overhead. ii) Determine the total unit cost for each product using the activity drivers. iii) Identify and evaluate any significant differences between the costs calculated in i) and ii) above. iv) The management accountant has been asked by managers to explain what makes a good choice of cost driver. What advice would you give? Can someone help asap please

Triada produces a wide range of electronic products. A new management accountant has been appointed and she wants to replace the current labour based costing system that was introduced in the 1990s. She wants to consider implementing an activity based costing (ABC) system. Managers are concerned about how they should compare the ABC cost data with the existing costing system. Selected data from the management accounts for the year ending 31st December 2020 1,800,000 Cost data Total manufacturing overhead for year Total labour hours for year Direct labour cost per hour 60,000 hours 20 Data for 3 products only Annual production (units) Material cost per unit Direct labour hours per unit Product A Product B Product C 1,000 2,000 5,000 10.00 8.00 7.00 1.00 1.50 2.00 ABC data for all products Cost pool / driver Number of set-ups Inspection time (hours) Machine maintenance (hours) Number of purchases Number of shipments Annual costs () Annual volume 600,000 1,500 200,000 1,200 100,000 8001 100,000 500 800,000 500 Product A Product B Product C 350 200 450 200 150 300 ABC data 3 products Number of set-ups Inspection time (hours) Machine maintenance (hours) Number of purchases Number of shipments 1351 40 140 301 8 8 80 30 20 40