S Equivalent Utility gains Generally, if she already has n-1 kilograms of rice then rn denotes the most she will pay for an nth kilogram +rn is the dollar equivalent of the marginal utility of the nth kilogram◆Generally, if she already has n-1 kilograms of rice then rn denotes the most she will pay for an nth kilogram. ◆rn is the dollar equivalent of the marginal utility of the nth kilogram. $ Equivalent Utility Gains