At $2.50 per cupcake, the supply is 370 cupcakes and the demand is 400 cupcakes. When the price rises to $3.00, the supply increases to 390 cupcakes and the demand falls to 360 cupcakes. a. Find the price-supply equation p=mx+b b. Find the price-demand equation p=mx+b c. Find the equilibrium price and quantity 3. A candle manufacturer has a monthly fixed cost of $3,600. Each candle costs $1.50 to produce. The manufacturer sells the candle for $4.50 per candle. a. Find the cost function b. Find the revenue function c. Find the break-even point