20 points Save Answer Centrum civil Engineering consulting firms has a contract with an Embassy in Mexico to provide maintenance in the building. It entered into a fixed-price contract with a spec home builder, resulting in a stable income of $270,000 per year for the first five year period. At the end of that time, a mild recession slowed the development, so the parties signed another contract for $150,000 per year for four more years. Determine the present worth of the two contracts at an interest rate of 7% per year. Draw cash flow diagram and write the basic set up equations, formulae used and all detailed calculations used to arrive your answer. The present worth of first contract as per your calculation is