the Tiger Electric Cooperative estimates that the present worth now of income from investment in renewable energy source is $12,475,000. There will be no income for the first three years but in year 4 income will be $250,000, and thereafter it will increase according to an arithmetic gradient through year 16. What is the required gradient is the interest rate is 8% per year. Choose the closest valuhre.

A. 340,000

B. 300,000

C. 316,000

D. 322,000