The Consumer Demand for a Certain Commodity Is $D ( p ) = 1,000.00 e ^ { - 0.19 p }$

Short Answer

The consumer demand for a certain commodity is $D ( p ) = 1,000.00 e ^ { - 0.19 p }$ units per month when the market price is p dollars per unit. Express consumers' total monthly expenditure for the commodity as a function of p and determine the market price that will result in the greatest consumer expenditure.