Income from a precious metals mining operation has been decreasing uniformly for 5 years. If income in

Question:

Income from a precious metals mining operation has been decreasing uniformly for 5 years. If income in year 1 was $300,000 and it decreased by $30,000 per year through year 4, the annual worth of the income at 10% per year is closest to:
(a) $310,500
(b) $258,600
(c) $203,900
(d) $164,800