Question 3 (Note that you have to show all your calculations) (30 pts in total) In a company, we have 4 service departments and 3 manufacturing departments. A total of $280,000 overhead cost will be assigned to departments on the basis of No. of workers" SERVICE DEPARTMENTS MANUFACTURING DEPARTMENTS Si S2 S3 MD M3 Total 100 200 300 500 600 700 Labour hours No. of workers Materials 1,000 2,000 4,000 3,000 6,000 tonnes used Machine 1,000 2,000 hours DL 100200 hours No. of 10 20 30 40 50 60 70 parts m 1,000 1,000 1.000 1.000 1.000 2.000 3.000 The allocation bases (for each department) can be given as follows: S1: Total Labour hours, S2: No. of workers S3: Materials tonnes used S4: No. of parts In addition, in order to assign manufacturing department costs to products, the following allocation bases will be used: M1: Machine hours, M2: DL hours, NB: m2 Required: a) Please assign overhead costs to the departments (5 pts) b) Please assign service department costs to production departments by using "Step-down method" (15 pts) c) Assume that Product Arequires 5 machine hours in Mi, 20 direct labour hours in M2, 20 m' in M3 to be completed. Please calculate overhead cost to be assigned to the Product A (10 pts). Question 4 (Note that you have to show all your calculations) (0 pts in total) In a month, we have 30 days and each day we produce 100 units. The required data can be given as below: Administration cost: $3,000 per month Material Cost (30% is indirect): $12,000 per month Advertising cost: $4,000 per month Labour Cost (40% is indirect): $10,000 per month Insurance Cost of furniture in the Marketing Department: $20,000 per month Research Expense: $50 per month Repairing Cost: $100 per month Maintenance Cost: $75 per month Electricity cost: $50 per day Required: Please calculate cost of a single product