Use Simpson's Rule to Approximate the Revenue for the Marginal $\frac { d R } { d x } = 5 \sqrt { 8000 - x ^ { 3 } }$

Multiple Choice

Use Simpson's Rule to approximate the revenue for the marginal revenue function $\frac { d R } { d x } = 5 \sqrt { 8000 - x ^ { 3 } }$ with n = 4. Assume that the number of units sold, x, increases from 14 to 18. Round your answer to one decimal place.

A) $1439.03
B) $1346.14
C) $1602.40
D) $1230.54
E) $678.36