please advise..

Case Study Your family have just move in to a new house. As agreed earlier, your family decide to fill the living room with a 40 inch LED TV, a 3-2-1 sofa set, a coffee table and a TV cabinet. Three alternatives for each combination will be proposed. These alternatives have to be evaluated using knowledge obtained in engineering economic class. Product specifications are to be placed in the appendix section of this PMA. (a) Construct cash flow diagram for all alternatives. (b) Use NPW and B C criterions (c) Which alternative is more preferable? State the reasons. WI Case Study Your family have just move in to a new house. As agreed earlier, your family decide to fill the living room with a 40 inch LED TV, a 3-2-1 sofa set, a coffee table and a TV cabinet. Three alternatives for each combination will be proposed. These alternatives have to be evaluated using knowledge obtained in engineering economic class. Product specifications are to be placed in the appendix section of this PMA. (a) Construct cash flow diagram for all alternatives. (b) Use NPW and B C criterions (c) Which alternative is more preferable? State the reasons. WI