Assuming: Cash=$14,870; accounts receivable=$22,108; prepaids=$3,010; supplies=$927; equipment=$62,150; accumulated depreciation=$13,750; accounts payable=$28,000; net sales=$325,000; interest expense=$6,000; tax expense=$12,600; earnings before interest and taxes=$122,623; number of shares outstanding=$335,000.

Calculate the following (round to two decimal places): times interest earned ratio, earnings per share, profit margin ratio, and return on total assets ratio.