The Annual Revenue Earned by Wal-Mart in the Fiscal Years $R ( t ) = 150 e ^ { 0.14 t }$

Multiple Choice

The annual revenue earned by Wal-Mart in the fiscal years ending January 31, 1994 to January 31, 2002 can be approximated by $R ( t ) = 150 e ^ { 0.14 t }$ billion dollars per year $( - 7 \leq t \leq 2 )$ where t is time in years ( $t = 0$ represents January 31, 2000) . Suppose that, from January 1999 on, Wal-Mart invested its revenue in an investment that depreciated continuously at a rate of 4% per year. What, to the nearest $10 billion, would the total value of Wal-Mart's revenues have been by the end of January 2002

A) Total revenue 460 billion dollars
B) Total revenue 4,600 billion dollars
C) Total revenue 50 billion dollars
D) Total revenue 230 billion dollars
E) Total revenue 90 billion dollars