Marin Company’s general ledger indicates a cash balance of $22,340 as of September 30, 2021. Early in October Marin received a bank statement indicating that during September Marin had an NSF check of $1,500 returned to a customer and incurred service charges of $45. Marin also learned it had incorrectly recorded a check received from a customer on September 15 as $500 when in fact the check was for $550. Required:
Calculate Marin’s correct September 30, 2016, cash balance.

Exercise 7-7 martinez company reports the following financial information before adjustments. dr. cr. accounts receivable $168,900 allowance for doubtful accounts $3,200 sales revenue (all on credit) 849,300 sales returns and allowances 50,440 prepare the journal entry to record bad debt expense assuming martinez company estimates bad debts at (a) 4% of accounts receivable and (b) 4% of accounts receivable but allowance for doubtful accounts had a $1,550 debit balance. (if no entry is required, select "no entry" for the account titles and enter 0 for the amounts. credit account titles are automatically indented when the amount is entered. do not indent manually.)