the estimated monthly sales ofMona Lisapaint-by-number sets is given by the formulaq=95e^p3p2/2,

whereqis the demand in monthly sales andpis the retail price in yen.

(a) Determine the price elasticity of demandEwhen the retail price is set at3yen.

Interpret your answer.

The demand is going?

1. up
2. down

by________% per 1% increase in price at that price level.

(b) At what price will revenue be a maximum? (Round your answer to two decimal places.)

(c) Approximately how many paint-by-number sets will be sold per month at the price in part (b)? (Round your answer to the nearest integer.)