Answer:
d. the total benefit he gets from purchasing four pairs of gloves minus the total benefit he gets from purchasing three pairs of gloves.
Explanation:
Marginal benefits refer to the additional gains obtained by the sales, purchase, or manufacture of an extra unit. It the advantage associated with buying or selling one more unit. Marginal benefit is compared with the marginal cost to determine if continuous production is profitable.
Since marginal benefits are associated with an extra item, obtaining the value of the additional items must exclude the previous units. In this case, getting the marginal benefit of the fourth item can be calculated by adding up the gains of all the four gloves then subtracting the gains of the first three.
