10. + -/2 points HarMathAp 12 5.1.034. The purchasing power P of a fixed income of $30,000 per year (such as a pension) after t years of 6% inflation can be modeled by P = 30,000(1.06) (a) Find the purchasing power after 5 years. (Round your answer to the nearest dollar.) (b) Find the purchasing power after 20 years. (Round your answer to the nearest dollar.)