Accounts Receivable Control account for Zazu Toys in the general ledger on 1 December was $8,127. The subsidiary ledger contained two credit customers and the following balances on 1 December: Simba. A. $4,000 and Mufasa, B. $4,127. At 31 December, a summary of entries made in the sales journal and cash receipts journal were as follows:

Sales Journal	Cash Receipts Journal
Simba, A. $3,330	Simba, A. $1,850
Mufasa, B. $2, 450	Mufasa, B. $920

Required:

a) Calculate the ending balance for Simba, A. and Mufasa, B. at 31 December (6 marks)

b) Discuss the importance of accounts receivable subsidiary ledgers (3marks)