Please answer the questions 15.2, 15.3 and 15.4 with your detailed explanations, it's much appreciated!

2 A supplier sends you a statement showing a balance outstanding of $14,350. Your own records show a balance outstanding of $14,500. Which one of the following could be the reason for this difference? The supplier sent an invoice for $150 which you have not yet received The supplier has allowed you $150 cash discount which you had omitted to enter in your ledgers You have paid the supplier $150 which he has not yet accounted for You have returned goods worth $150 which the supplier has not yet accounted for .3 Your payables control account has a balance at 1 October 208 of $34,500 credit. During October, credit purchases were $78,400, cash purchases were $2,400 and payments made to suppliers, excluding cash purchases, and after deducting settlement discounts of $1,200, were $68,900. Purchase returns were $4,700. What was the closing balance? $38,100$40,500 $47,500 $49,900 + A receivables ledger control account had a closing balance of $8,500. It contained a contra to the payables ledger of $400, but this had been entered on the wrong side of the receivables ledger control account. What is the correct balance on the receivables control account? $7,700 DEBIT $8,100DEBIT $8,400 DEBIT $8,900 DEBIT