Pronghorn Int. a fertilizer company based in Calgary, had the following information in its financial statements for the fiscal years ended December 31. All figures are in millions of dollars, Current assets Current liabilities Net sales Trade accounts receivable-gross Allowance for doubtful accounts 2021 $4,766 2718 9.029 914 36 2020 $3.483 1.158 5,314 698 19 2019 $1.640 978 3.929 569 18 2018 $1.389 555 3,307 378 13 Calculate Pronghorn's (Round ratios to 2 decimal places, eg, 52.75:1 and 52.75 times and Collection period to decimal place, es 125 days) (1) Current ratio for 2018 though 2021 121 Receivables turnover ratio for 2019 through 2021 13 Average collection period for 2019 through 2021 2021 2020 2011 1 Current Ratio Receivable Turnover times times 2 collection