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

Multiple Choice

The annual net sales (revenue) earned by the Finnish cell phone company Nokia from January 1999 to January 2003 can be approximated by $R ( t ) = - 1.7 t ^ { 2 } + 5 t + 28$ billion euros per year $( - 1 \leq t \leq 3 )$ where t is time in years ( $t = 0$ represents January 2000) . Estimate, to the nearest billion, Nokia's total revenue from January 1999 through December 2002.

A) Total revenue 116 billion euros
B) Total revenue 120 billion euros
C) Total revenue 91 billion euros
D) Total revenue 4 billion euros
E) Total revenue 20 billion euros