On 1 January 2021,J Spears opened a supermaket trading under Jagper Supermarket. He uses the penodic inventory system and enters into the following trantactions for the month ended 31 January 2021 Required: 4.1. Explain the entrles mode and source documents used in the folowng putrals? 4.1.1 Cash Receipts Journal 4.12 Cash Payments Jouma 413 Sales Returns Jounal 4.2 Prepare the Sales Joumal tor the montri ended 43 Prepare the Purchases Journal for the month ended 4.4 Prepare the Credtors Ledger for Josini Wholesalers for the menth ended