Please provide the financial ratios computations and a clear explanation:

The financial statements for Castile Products, Incorporated, are given below: Account balances at the beginning of the year were: accounts receivable, $160,000; and inventory, $270,000. All sales were on account. Assume that Castile Products, Incorporated paid dividends of $3.85 per share during the year. Also assume that the company's common stock had a market price of $72 at the end of the year and there was no change in the number of outstanding shares of common stock during the year. Required: Compute financial ratios as follows: 1. Earnings per share. (Round your answer to 2 decimal places.) 2. Dividend payout ratio. (Round your intermediate calculations to 2 decimal places. Round your percentage final answer to 2 decimal places.) 3. Dividend yield ratio. (Round your percentage answer to 2 decimal places.) 4. Price-earnings ratio. (Round your intermediate calculations and final answer to 2 decimal places.) 5. Book value per share. (Round your answer to 2 decimal places.)