a) Explain, in detail what Job Order Costing System of cost accumulation. What kind of businesses could possibly benefit from this costing system? How are the manufacturing and non-manufacturing costs allocated under this system? (3 Marks) b) There are various techniques of materials control. Just-In-Time Inventory System is one of them. Discuss how this technique was developed, its features, and the benefits it offers. How a business can prepare itself to adopt this technique. (3 Marks) c) Every organization is highly concerned in understanding the efficiency of its employees. Various methods have been developed to address this need. Discuss any four methods of rating employees efficiency. (4 Marks)