Suppose the Marginal Cost Is $C ^ { \prime } ( x ) = e ^ { - 0.4 x }$

Multiple Choice

Suppose the marginal cost is $C ^ { \prime } ( x ) = e ^ { - 0.4 x }$ ,where x is measured in units of 300 items and the cost is measured in units of $10,000.Find the cost corresponding to the production interval [300,1,500].Round to the nearest dollar.

A) $13,375
B) $5,350
C) $9,029
D) $2,140