Microsoft's financial statements for the 2015 and 2014 fiscal years contained the following information Balance Sheets ($ in millions) 2015 2014 Current assets: Accounts receivable, net of allowances for doubtful accounts of $709 and $504 $ 16,582 $ 14,532 Income Statements ($ in millions) 2015 Revenues $ 147,301 2014 $132,502 In addition, the statement of cash flows disclosed bad debt expense of $1,421 million in 2015 and $1,037 million in 2014. Required: 1. Determine the amount of actual bad debt write-offs made during 2015. Note: Enter your answer in millions and not in dollars. 2. Determine the amount of cash collected from customers during 2015 Note: Enter your answer in millions and not in dollars. 3. Compute the receivables turnover ratio for 2015. Note: Round your answer to 2 decimal places. 1. Write-offs during 2015 2. Cash collection during 2015 3. Accounts receivable turnover ratio