1. Explain the nature and importance of a job cost sheet. 2. Distinguish among operating, investing, and financing activities. 3. Managers’ activities and responsibilities can be classified into three broad functions. List and discuss each function. Solution 1)Importance of job sheet : Job sheet is used to calculate the cost of particular project or order.The object of job sheet is to determine The total cost and cost per job or unit . Nature of job sheet :The job sheet is the subsiduary ledger for the control account work in process. 2)Operating activities : It includes cash flow from operation of day to day activites such as sales , purchase . expenses , change in current asset aand liabilites. Investing activity : It includes business activities that involve buying and selling long term asset , Buying and selling of equity securities of other companies , making and collecting loans. Financing activity : It includes obtaining cash from issuing debt and repaying the amount borrowed ,obtaining cash from shareholders , repurchasing own shares and paying dividend. 3) Top management :manager at this level have responsibility for overall orgainsational performance covering multiple business activities. Middle level management : The manager at this level have responsibility for any particular business segment of total work of organisation. Lower level management : They are responsible for directly supervising the work of operational staff and form a link between them and management . .