Question Two (15 marks) Retro Pty Ltd is a major manufacturer of industrial machinery. Detailed below is a description of its purchasing and payments system. ()When the stores department requires items to be purchased, they issue a three- part pre-numbered purchase requisition that needs to be approved by the store's manager. Copy 1 is sent to the purchasing department, Copy 2 is sent to the accounts payable department and Copy 3 is filed in the stores department