Engineering Economics Evaluation of two projects: A and B Assuming that MARR=8 % and based on the given information in the summary table below, compare the Project A and B using: 9.1. Present Worth Net Benefit; and

9.2. Simple Payback Period.

Parameters	Project A	Project B
Initail Costs ($)	200,000	400,000
Annual Net Revenue ($/yr.)	50,000	70,000
Project Lifetime (Yrs.)	5	10
Salvage at Lifetime ($)	20,000	50,000

For both projects draw the cash flow diagrams and cash flow tables.