Assume that as of December 31, 2016 Gen Motors uses the A/R aging schedule method and estimates that its ending Allowance for Doubtful Accounts balance should be $882 millions. If its 2016 A/R write-offs are $350 millions and 2016 A/R recoveries are $200 millions. what amount of bad debt expense appears in Gen Motors 2016 income statement? Follow the same denomination as stated in the the instruction (e.g., if the instruction explicitly says that all numbers are in millions, do NOT write out the last six zeroes in the final answer).