The Annual Net Sales (Revenue) Earned by the Finnish Cell $R ( t ) = - 1.7 t ^ { 2 } + 5 t + 28$

The annual net sales (revenue) earned by the Finnish cell phone company Nokia from January 1999 to January 2004 can be approximated by $R ( t ) = - 1.7 t ^ { 2 } + 5 t + 28$ billion euros per year $( - 1 \leq t \leq 4 )$ where t is time in years ( $t = 0$ represents January 2000) . Suppose that, from January 1999 on, Nokia invested its revenue in an investment yielding 7% compounded continuously. What, to the nearest €10 billion, would the total value of Nokia's revenues have been at the end of 2003

A) Total revenue 150 billion euros
B) Total revenue 180 billion euros
C) Total revenue 160 billion euros
D) Total revenue 170 billion euros
E) Total revenue 190 billion euros