Required information The Pedernales Electric Cocperative estimates that the present worth now of income from an investment in renewable energy sources is $30,000,000. There will be no income in years 1 and 2 , but in year 3 income will be $650,000, and thereafter it will increase according to an arithmetic gradient through year 15 . What is the required gradient if the interest rate is 15% per year? Solve using factors. The required gradient is $