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