Write an equation that quantitatively expresses the capitalized cost (PW as n approaches infinity) of the following project:
A bridge is constructed for 20,000,000 at t = 0. It has an annual maintenance cost of 400,000.
Every 10 years a major overhaul will be done for 1,000,000 Every 15 years a minor overhaul is done for 700,000 I = 6%