Microsoft develops, produces, and markets a wide range of computer software, including the Windows operating system. On its recent financial statements, Microsoft reported the following information about net sales revenue and accounts receivable (amounts in millions). According to its Form 10-K, Microsoft recorded bad debt expense of $14 and did not reinstate any previously written-off accounts during the current year. (Hint: Refer to the summary of the effects of accounting for bad debts on the Accounts Receivable (Gross) and the Allowance for Doubtful Accounts T-accounts. Use the T-accounts to solve for the missing values.) Required: What amount of bad debts was written off during the current year?