The Rio Company has forecast a sales growth rate of 20 percent for next year. The current financial statements are shown here: (Note: short-term debt is 'spontaneously' related to sales growth, while the long-term debt and common stock remain constant.) Income Statement Sales 25,000 costs 21,000 Taxable income 4,000 Tax 1,200 Net income 2,800 Dividends 840 Balance Sheet Assets Current assets 7,000 Fixed assets 18,000 Total assets 25,000 Liabilities and Owner's Equity Short-term debt 5,200 Long-term debt 6,000 Common stock 3,400 10,400 25,000 Accumulated retained earnings Total liabilities and equity (Please note that no marks will be awarded if there are no workings provided in your answer.) Required: 1. Calculate the external funds needed for next year. (2 marks) 2. Calculate the sustainable growth rate for the company. (1 mark)