12. Liquidity ratios. The Presidentof DTS Corporation is reviewing the financial data of his company for yeras ended December 31, 2014 and 2015 as shown below, in thousands: 2014 2015 Cash P 500 P 400 Marketable securities 1,200 1,600 Accounts receivable 3,400 2,800 Materials inventory 1,000 1,200 Work-in-process inventory 800 1,400 Finished goods inventory 2,200 2,500 Prepaid expenses 100 200 Currrent liabilities 2,100 Cash operating expenses 2,525 Depreciation and amortization expenses 4,320 3.240 Net sales 1,200 1,200 Materials used 56,400 53,720 Cost of goods manufactured 10,000 10,800 Cost of goods sold 26,000 42,000 The company uses a 360-day work year. 30,800 40,000 Required: Calcualte the following financial ratios for DTS Corporation for 2014 and 2015: 1. Matreials inventory turnover and materials inventory days. 2. Work-in-process inventory turnover and WIP inventory days. 3. Finihsed goods inventory turnover and FG inventory days. 4. Cash turnover and days in cash operating expenses. 5. Current assets turnover. 6. Quick-assets ratio. 7. Defensive-interval ratio