13. Which one is incorrect if Q4 = 10 - 3P. + 6P, - IM + 4H (Demand Curve) and P. = $2, P, = SI, M = $20, and H=6? Q, is the quantity demanded in the U.S P, is the price for a package of Greek yogurt P, is the price for a package of Roman yogurt M is the median income in your town H is all other factors. A. The estimated demand quantity is Q.' = 20 - 3P, B. If M increnses from $1 to $2, we can calculate income elasticity. C. If supply curve is Q: = S + 2P,, we have only one equilibrium price and quantity. D. If a tax is imposed on buyers, the demand is likely to decrease