odonnel inc. had the following account balances for year4 and year3 after all adjusting entries had been posted. 12/31/year412/31/year3 accounts receivable (balance in the account, not net)82,40065,700 allowance for doubtful accounts (normal, credit, negative asset balance)5,8703,460 there were no recoveries of previously written-off accounts during year4. odonnel recorded 10,200 of bad debt expense in year4. ignore any information not needed to solve the problem. what were odonnel's write-offs during year4? how much of the accounts receivable at the end of year4 does odonnel expect to collect? (this one is just definitional- think about what term am i describing and what is the dollar amount associated with that term? your answer should be just the numeric amount.)