Abinitio Sdn. Bhd. Is preparing monthly budgets for the next year. Some of the budget data relating to its single product for the first three months of the financial year are as follows: July August September Metres of finished product: Opening inventory Sales 7,000 5.500 21,500 2,000 18.500 22,000 RM10 23,800 23,000 21,000 Production Selling price per metre Manufacturing (fixed) RM10 RM10 overheads RM50,000 RM50,000 RM50,000 Budgeted manufacturing costs per metre are as follows Direct materials Direct labour Variable manufacturing overhead RM2 80 1.20 0.50 Required: Prepare a budgeted income statement for each of the three moaths using marginal costing method.