On Supply-Demand Framework Q5. Suppose that the demand and supply curves for a monthly cell phone plan with unlimited texts can be represented by QD = 50 - 0.5 P and Q5: -25 + P. Calculate the market (equilibrium) price and quantity. Q6. Suppose the demand for towels is given by QD = 100 5 P, and the supply of towels is given by Q S = 10 P. Solve for the equilibrium price and quantity. Q7. Suppose the demand for down pillows is given by QD = 100 P, and the supply of down pillows is given by Q3 = -20 + 2P. Obtain the equilibrium price and quantity