A business has just completed its first year of trading. The following information has been collected from the accounting record. Tk. Variable cost per unit Manufacturing 60.00 Selling and admin 20.00 Fixed costs Manufacturing 90,000 Selling and Admin 22,500 Production was 75,000 units and sales were 70,000 units. The selling price was Tk. 80 per unit throughout the year. What is the difference in profit using Marginal Costing for inventory valuation, rather than Absorption Costing