Q=40+3p−60r and the demand function is Q=220−2p. where f is the rental cost of capital. How do the equilibrium price and cuantify vary wih r? The effect of r on the equilibrium price is Δr
ΔP= (Enter your response as a whose number and include a minus sign it necessary.) The effect of to on the equilibrium quantity is Δr
ΔQ
​= (Enter your response as a whole number and include a minis sign it necessary)