plesse show calculations & formulas!! thank you

Spencer Corp. purchases on average $1,000,000 worth of materials each day on credit terms of 4/20, n/45. Spencer always pays on day 45, never taking the discount. Spencer does this because they do not collect from customers until the end of the month. Spencer could borrow money from a bank at a rate of 20%. Explain through computations why it might be better for Spencer to borrow the money from the bank. In 2020, Walmart Inc. (WMT) paid total cash dividends of $6,116,000,000 and had net income of $13,514,000,000. WMT has 2,800,000,000 shares of common stock outstanding and the current market price per share of the common stock is $147. Required: a) Determine and explain the earnings per share. b) Determine and explain the dividends per share. c) Determine and explain the dividend yield. d) Determine and explain the dividend payout ratio