In preparing its August 31 bank reconciliation, Apex Corp. has available the following balance per bank and reconciling items. Balance per bank Deposit in transit Return of customer's check for insufficient funds Outstanding checks Bank service charges for August The 8/31 unadjusted cash balance per books is: Select one: O a. $19,250 O b. $16,850 OC $17,650 O d. $19,050 O e. $17,850 $18,050 3,050 400 3,750 100