For the year ending December 31, 2008, General Electric's revenue was $182.52 billion. Assume that the revenue increases by 5% per year and that General Electric will (continuously) invest 10% of its revenues each year at an APR of 4.7% compounded continuously for a period of 9 years beginning at the end of December of 2008.† (a) Write the flow rate equation. R(t) = c billion dollars per year (b) What is the present value (in December, 2008) of this 9-year investment? (Round your answer to three decimal places.) $ billion