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(02 marks) Q.4 a. Standard cost systems provide companies with a number of advantages, argue the statement. b. Following are the details of Abbass Industries for the period ended June 30, 2020. Company establish standard on its normal capacity of 120,000 units/hours in a year: Direct Material 600,000 kgs at Rs. 9 per kg Direct Labor 4 hours per unit at Rs. 6 per hour Factory overhead: Fixed cost Rs. 240,000 per year or Rs. 20,000 per month. Variable Cost Rs. 4.50 per hour During the one month of operation, company produced 11.000 units. Direct material used: 60,500 kgs at Rs. 9.10 per kg Direct labor used: 41,250 hours at Rs. 268,125 Actual variable Factory overhead Rs. 55,000 Required: Calculate the two variances for material, two variances for labor, and two variances for factory overhead. (08 marks)