NEED HELP PLEASE

Revenue and cash receipts journals; accounts receivable subsidiary and general ledgers Transactions related to revenue and cash receipts completed by Crowne Business Services Co. during the period April 2-30 are as follows: Apr. 2. Issued Invoice No. 793 to Ohr Co., $6,000. Apr. 5. Received cash from Mendez Co. for the balance owed on its account. Apr. 6. Issued Invoice No. 794 to Pinecrest Co., $2,160. Apr. 13. Issued Invoice No. 795 to Shilo Co., $3,220. Post revenue and collections to the accounts receivable subsidiary ledger. Apr. 15. Received cash from Pinecrest Co. for the balance owed on April 1. Apr. 16. Issued Invoice No. 796 to Pinecrest Co., $6,730. Post revenue and collections to the accounts receivable subsidiary ledger. Apr. 19. Received cash from Ohr Co. for the balance due on invoice of April 2. Apr. 20. Received cash from Pinecrest Co. for balance due on invoice of April 6. Apr. 22. Issued Invoice No. 797 to Mendez Co., $8,860. Apr. 25. Received $2,450 note receivable in partial settlement of the balance due on the Shilo Co. account. Apr. 30. Received cash from fees earned, $15,120. Post revenue and collections to the accounts receivable subsidiary ledger. Required: 1. Insert the following balances in the general ledger as of April 1: receipts journal. 1/36/40 respectively. POST. REF. is simply J1, CR36, and R40. Journal begins with " R ". For example Journal/ Cash Receipts/ Revenue Journal, page 1/36/40 respectively. POST. REF. is simply J1, CR36, and R40. column is used to record cash fees. transactions. Determine the balance in the customer's account before recording a cash receipt. 5. Total each of the columns of the special journals and post the individual entries and totals to the general ledger. Insert account balances after the last posting. If an amount box does not require an entry, leave it blank. \begin{tabular}{|c|c|c|c|c|} \hline \multicolumn{4}{|c|}{ CASH RECEIPTS JOURNAL } & \multirow{2}{*}{\begin{tabular}{l} PAGE 36 \\ Cash Dr. \end{tabular}} \\ \hline Date & Account Credited & Post. Ref. Fees Earned Cr. & Accts. Rec. Cr. & \\ \hline Apr. 5 & - & v & & \\ \hline Apr. 15 & - & v & & \\ \hline Apr. 19 & & v & & \\ \hline Apr. 20 & - & v & & \\ \hline Apr. 30 & & v & & \\ \hline Apr. 30 & & & & \\ \hline \end{tabular} 6. What is the sum of the customer balances? $ Does the sum of the customer balances agree with the accounts receivable controlling account in the general ledger? 7. Would an automated system omit postings to a controlling account as performed in part (5) for Accounts Receivable