The total spent on research and development by the federal government in the United States during 20022012 can be approximated by S(t) = 3.1ln(t)+ 22 billion dollars (2 s t s 12), where t is the year since 2000.+ What was the total spent in 2012 (t = 12)? (Round your answer to the nearest whole number.) $ billion How fast was it increasing? (Round your answer to three decimal places.) $ billion per year had It