A manufacturer can sell 400 watches for $11 each and 800 watches for $6 each. a) Find a demand and price equation assuming the relationship is linear. p Dq = = ( ) _______________ b) Find the quantity demanded at $10 per watch. ____________ c) Suppose the price and supply of the watch are related by p = = Sq q ( ) .0075 , where p is the price in dollars and q is the number of watches supplied. Find the quantity supplied at $10 per watch. ____________ d) Use algebra to find the equilibrium point and then graph both functions.