Identify which of the following statement is correct () and which is incorrect (x)? (a) Planning is part of decision-making. (b) Directing flows from top to bottom (c) Planning is a fundamental function of management and all other functions of management are greatly influenced by the planning process. (d) Selling is a narrow concept as compared to marketing. Select & correct answers from the options given below. A a-v.b-v.c-v.d- B a-X.b-v.c-X, d- a-v.b-X. c-v.d- D a-v.b-v.c-v.d-X