The following information is taken from the financial statements of Columbia Health Care Inc.: Excerpts from Balance Sheets as of end of Year 3 Gross accounts receivable Allowance for doubtful accounts Net accounts receivable Year 2 Year 1 $36,944,000 $31,651,000 $30,476,000 Excerpts from Income Statements for the Years Ended Year 3 Year 2 Year 1 Sales Revenue (all credit) Bad Debt Expense Operating income before taxes $136,946,000 8,628,000 9,321,000 $137,002,000 136,354,000 5,846,000 (3,900,000) 8,148,000 1,048,000 Required: (1) Compute the following ratios a) Accounts receivable turnover ratio for Years 2 and 3 b) Allowance for doubtful accounts divided by accounts receivable at the end of Years 2 and 3