please explain this

Presented here is basic financial information (in millions) from the annual reports of Ivanhoe and Concord. Ivanhoe Concord $12,800 Sales $20,200 81.0 113 87.0 119 Allowance for doubtful accounts, Jan. 1 Allowance for doubtful accounts, Dec. 31 Accounts receivable balance (gross), Jan, 1 Accounts receivable balance (gross). Dec. 31 2,800.0 2.200 3,500.0 1,400 Calculate the accounts receivable turnover and average collection period for both companies. (Round answers to 1 decimal place, es, 15.2. Use 365 days for calculation.) Ivanhoe Concord Accounts receivable turnover times times 2,800.0 2.200 Accounts receivable balance (gross).Jan. 1 Accounts receivable balance (gross), Dec. 31 3.500.0 1,400 Calculate the accounts receivable turnover and average collection period for both companies. (Round answers to 1 decimal place, es 15.2. Use 365 days for calculation) Ivanhoe Concord Accounts receivable turnover times times Average collection period days days eTextbook and Media Save for Later Attempts: 0 of 3 used Submit