Duo Ltd makes and sells two products, A and B. the following information is available for period 3. A B Production (units) 2,500 1,750 Sales (units) 2,300 1,600 Opening stock (units) 0 0 Financial data: Unit selling price Unit cost: Direct materials 90 NA D C 75 12 OBER 200 15 Direct labour 18 12 Variable production overheads 12 8 Fixed production overheads 30 Variable selling overheads 1 20 20 1 Fixed production overheads for the period were $105,000 and fixes administration overheads were $27,000. Required a. Prepare a profit statement for period 3 based on marginal costing principles b. Prepare a profit statement for period 3 based on Absorption costing principles (15 marks)