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The following information (in millions) was taken from the December 31 financial statements of Canadian National Railway Company (CN): 2016 $903 28 Accounts receivable, gross Allowance for doubtful accounts Accounts receivable, net Revenues Total current assets Total current liabilities 2018 $1,195 26 1.169 14,321 2.728 3.500 2017 $1,000 16 984 13,041 2,190 3.983 875 12,037 2. 107 3,008 (a) For 2018 and 2017, calculate CN's current ratio, receivables turnover, and average collection period(Round answers to 1 decimal place, eg. 5.2) 2018 2017 0.78 1 0.55 :1 Current ratio 121 times 13.2 times Receivables turnover 31 days 28 days Average collection period