i really require help with this question if anyone can assistance please.

Wollongong and Associates Accounts Receivable Control account in the general ledger on 1 June was $12,107. The subsidiary ledger contained the following accounts receivable accounts and balances at the same date: Andy. W. $2,330, Akiko, P. $4,277 and Arthur, D. $5,500. At 30 June, a summary of entries made in the journals shown were as follows. Sales journal: Recorded credit sales were: Andy, W. $2,180, Akiko, P. $1,670, Arthur, D $1,780. Cash receipts journal: Cash amounts received from accounts receivable were no discounts were allowed): Arthur, D. $2,120, Akiko, P. $2,920, Andy, W. $2,013. The business also uses sales, purchases, cash receipts, cash payments and a general journal to record transactions. For the month of July the following transactions have not been recorded in the journals: 1. Sold inventory on credit to Andy, W. $3,900, invoice 759. 2. Received an electronic funds transfer from Akiko. P. for $750, for payment on her account. 3. Issued an adjustment note to Arthur, D. for defective goods sold on credit during July for $160. 4. Purchased office supplies, $520, using the business debit card. Required: a) Calculate the ending balance in accounts receivable at 30 June for the following customers: Andy, W. and Akiko, P. (6 marks) b) Indicate in which journal the above four (4) transactions would be recorded in July (4marks) 1 A- B 1 part a) Andy, W. Akiko, P. part b) Journal 1. 2. 3. 4