Pls help me solve it soon. Thanks a lot !

Cash flows Presented below is the income statement of Howan for the year ended 31 Dec 2020.: Sales $480,000 Cost of goods sold 225.000 Gross profit $255,000 Operating expenses 85,000 Income before income taxes 170,000 Income taxes 28,000 Net income $ 142,000 In addition, the following information related to net changes in working capital is presented: ALL in S 31 Dec 2019 31 Dec 2020 20,000 Changes Decreased by 28,000 Accounts receivable Inventories 31,000 Increased by 7,200 Increased by 9,200 Salaries payable (operating 12,000 expenses) Accounts payables 8,500 Increased by 1,900 Decreased by 2,400 Income tax payable 31,000 The company also indicates that depreciation expense for the year was $15,600. Required: a) Prepare a schedule computing the net cash flow from operating activities that would be shown on a statement of cash flows using the direct method. (show all your workings) b) Explain the difference between net income and net cash flows from operating activities. c) Which method (direct method or indirect method) do you prefer to prepare cash flows statement? Why