A- As a result of your study of the subject of analyzing the relationship between cost, volume and profit, and the subject of relevant costs for making short-term management decisions, which contain a set of skills that a financial manager must possess and that enhance his work. Explain what skills do you think you have in these subjects? Enhance your answer by giving examples? B-Management accounting provides top management with the necessary tools in order to enable it to perform the function of planning and controlling the performance of responsibility centers and evaluating it, and in light of your study of the topic of responsibility accounting. Discuss how responsibility accounting contributes to the application of the concept of management by objectives and the concept of management by exception? Support your answer with examples?