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) 390-2p-0.1p = (A) p=40 (B) p=25 (C) p=30 (A) Describe the demand's elasticity for the given price-demand equation at p = 40. Choose the correct answer below. Elastic Inelastic Unit Elastic (B) Describe the demand's elasticity for the given price-demand equation at p = 25. Choose the correct answer below. Unit Elastic Elastic Inelastic (C) Describe the demand's elasticity for the given price-demand equation at p = 30. Choose the correct answer below. O Unit Elastic O Elastic O Inelastic