Which of the following would not affect profit margin ratio (currently profit margin ratio is 20%, ignore tax implications)? Select one: O a. Declaring a dividend out of retained profits. O b. Changing estimates of warranty expense and provision from 5% of sales to 10% of sales. Sales remain constant. O c. Expensing rather than capitalising development costs O d. Estimating shorter useful life for depreciable non-current assets e. Changing from FIFO to weighted average when inventory prices are falling XYZ Ltd. has the following ratios: Return on assets (ROA) per cent; Return on equity (ROE) 17 per cent; and Current ratio (CR) of 2.1.1. The company issues 1,000 shares and receives $100,000 from the shareholders. This transaction will: Select one: O a. no effect on these three ratios O b. decrease CR but have no effect on ROA or ROE. O c. decrease ROA and ROE but increase CR. O d. increase ROA and ROE but have no effect on CR. e. decrease ROA and CR but have no effect on ROE