Use the price-demand equation below to determine whether demand is elastic, is inelastic, or has unit elasticity at the indicated values of p. x=f(p) =3360 -3p - 0.2p (A) p =70 (B) p = 80 (C) p= 20 . . . (A) Describe the demand's elasticity for the given price-demand equation at p = 70. Choose the correct answer below. Elastic O Unit Elastic O Inelastic (B) Describe the demand's elasticity for the given price-demand equation at p = 80. Choose the correct answer below. O Inelastic O Elastic Unit Elastic (C) Describe the demand's elasticity for the given price-demand equation at p = 20. Choose the correct answer below O Elastic O Inelastic Unit Elastic