Joey Co just completed it's bank reconciliation for the year-ended December 31, 20x1. The following adjustments were used as part of the bank reconciliation: Outstanding cheques $1,200 Bank service charges 800 Non-sufficient fund cheques from customers removed from bank account 600 Deposits in transit 1,700 A cheque from a customer was incorrectly recorded as $900 when it should have been recorded as $2,800. What is the total adjustment required to cash in the general ledger?