The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $144. The quantity demanded each month is 1000 when the unit price is $114. The suppliers will market 700 espresso makers when the unit price is $69. At a unit price of $99, they are willing to market 2200 units. Both the supply and demand equations are known to be linear.

(a) Find the demand equation.
p =

(b) Find the supply equation.
p =

(c) Find the equilibrium quantity and the equilibrium price.

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