How do you calculate Part A?

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Question 3: Financial Statement Analysis The following information is on Jim's Pty Ltd performance in the previous two (2) financial years: Sales 2012: $125,000 2013: $130,000 Net Profit 2012: $25,000 2013: 35,000 The cost of goods sold (COGS) margin in both years was 40% of revenues. The tax rate is 30% and the interest expense was $5,000 each year. The company has had ten thousand shares on issues since 2011, with a share price of $13 on 30 June 2012 and $14 on 30 June 2013. Jim's Pty Ltd Statement of Financial Position as at 30 June 2013 Statement of Financial Position as at 30 June 2012 Assets Cash Short term Investments Accounts Receivable Inventory Prepaid Rent Net Motor Vehicle Net Plant & Equipment Land Total Assets Accounts Payable 10 year - Mortgage Total Liabilities Equity Owner's Equity Retained Earnings Total Equity Total Liabilities & Equity 650,000 20,000 15,000 25,000 10,000 15,000 45,000 85,000 865.000 55,000 690,000 745,000 13,000 22,000 15,000 10,000 15,000 20,000 50,000 85,000 230.000 60,000 55,000 115,000 85,000 35,000 120.000 865.000 70,000 45,000 115.000 230.000 a. Calculate three profitability ratios for 2013 and comment on the firm's performance. ROA = 6.39% ROE = 29.79% PM = 26.92%