Marin Company's general ledger indicates a cash balance of $23,840 as of September 30, 2021. Early in October Marin received a bank statement indicating that during September Marin had an NSF check of $3,000 returned to a customer and incurred service charges of $55. Marin also learned it had incorrectly recorded a check received from a customer on September 15 as $900 when in fact the check was for $980. Calculate Marin's correct September 30, 2021, cash balance. Balance per books Add Deduct Corrected cash balance