(Solved): How can a retailer make more profit by understanding "elasticity at a household level"? A. charge h ...

How can a retailer make more profit by understanding "elasticity at a household level"? A. charge higher prices to those consumers who demonstrate an inelastic demand B. send paper coupons by mail to those consumers who demonstrate an inelastic demand C. charge lower prices to those consumers who demonstrate an inelastic demand D. send targeted coupons by internet to those consumers who demonstrate an inelastic demand