The following information (in millions) was taken from the December 31 financial statements of Canadian National Railway Company (CN): 2015 2014 2013 Accounts receivable, gross $885 $937 $822 Allowance for doubtful accounts Accounts receivable, net 878 928 815 Revenues 12,611 12,134 10,575 2,153 1.993 1,977 Total current assets Total current liabilities 2.998 2,201 2,498 (a) For 2015 and 2014, calculate CN's current ratio, receivables turnover, and average collection period. (Round answers to I decimal places. 52) 2015 2014 Current ratio Total current assets 2,153 1,993 1,977 Total current liabilities 2,998 2.201 2.498 (a) For 2015 and 2014, calculate CN's current ratio, receivables turnover, and average collection period. (Round answers to 1 decimal place, as 5.2) 2015 2014 Current ratio Receivables turnover times times Average collection period days days