Java application with formula

From: Irlan agous (irlan345_at_msn.com)
Date: 12/27/04 

Date: Mon, 27 Dec 2004 19:02:45 +0100

Hello, i want to write a program with the following data:

A wine farmer sells wine to customers who visit the farm. Suppose that the
daily demand d in liters as function of the price p in guilders per liter is
given by:

At a price of 6 guilders per liter, the price is decreased with 10 cents.
With help of the (point) price elasticity we can conclude that, as a
consequence of the price decrease, the demand

a) decreases with 1.5% (rounded).

b) increases with 1.5% (rounded).

c) increases with 0.77% (rounded).

d) decreases with 0.77% (rounded).

How can i calculate this? how can i find the value of e2???

Irlan

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