a. (3 pts) Draw the cash flow diagrams for both methods. b. (4 pts) Should Method A or Method B be selected using present worth of cost? Show your work for both Methods and select the best option. a. (3 pts) Draw the cash flow diagrams for both methods. b. (4 pts) Should Method A or Method B be selected using present worth of cost? Show your work for both Methods and select the best option