QUESTION 1 Glasgow Corporation has two service departments, security and cleaning, and two production departments, smelting and carving. The distribution of each service department's efforts in percentages) to the other department is as follows: Securit Cleanin Smeltin Carvin y 8 g g 80% Security Cleanin 10% 20% 10% 60% 20% g The direct operating costs of the departments are: Security Cleanin g Smeltin g Carving RM 80,000 RM 15,000 RM 60,000 RM 40,000 Required: 1. Determine the total cost allocated to the smelting and carving departments using the direct method. 2. Determine the total cost allocated to the smelting and carving departments using the step method. 3. Determine the total cost allocated to the smelting and carving departments using the reciprocal method. Use the linear regression