can you solve this with steps please

Degas PLC has the following ratios for the current year: Current ratio 1:1 Acid-test ratio 08:1 Return on equity 10% (based on year-end equity figure) Non-current liabilities: Total equity 2:1 Total assets less current liabilities: Current assets 3:1 The profit for the year was 5 million. What is the figure for inventories held at the end of the year? A. 90m B. 40m OC 10m OD 15m