# Question: suppose the quantity supplied s and the quantity demanded d...

###### Question details

Suppose the quantity supplied S and the quantity demanded D of beach towels are given by the following functions S(p) = −200 + 50p and D(p) = 1000 − 25p,where p is the price of a beach towel.

a. Derive a function E(p) showing excess supply.

b. In what price range will excess supply exceed zero?

c. What is the equlibrium quantity of beach towels that will be
sold?