Calculate Present Worth from Project Summary with Uniform Gradient Series. Given Revenues are A, the first year, and increase G, each subsequent year AR = 9.8E3 $ G = 1.9E3 $ Operation and Maintenance Costs are a Uniform Series of amount AM AM = 4.6E3 $ Capital Costs = 4.3E4 $ Salvage Value = 1.4E4 $ Project Lifetime = 3 yr Effective Interest Rate = 0.04 (Unitless) Question(s) 1. What total number of compounding periods should be used? (Unitless) (Answer Significant Figures = 1)