EconomicsThe following demand function has been estimated for F machines Qd = 3500 – 40P + 17.5Px + 670U + .0090A + 6500Na) what is the point price elasticity of demand when P = $150, Px = $100, U=.12, A = $200,000 and N= .35b)what is the point price elasticity of demand with respect to company f for the values of the independent variable