The total spent on research and development by the federal government in the United States during 2002-2012 can be approximated by S(t) = 3.1 In(t) + 22 billion dollars (2 s t s 12), where t is the year since 2000.+ What was the total spent in 2008 (t = 8)? (Round your answer to the nearest whole number.) . . . ...................... :..it... X billion Enter a number. How rast was it increasing? (Round your answer to three decimal places. ) billion per year