pure monopolist who is nondiscriminating must decrease price on all units of a product sold in order to sell additional units. This explains why

b. Marginal revenue is less than average revenue

Explanation:

Marginal revenue is the extra revenue received by selling one more unit of a good while Average revenue is the revenue generated on average by all units sold thus far.

If the monopolist has to reduce prices to sell more goods then it would mean that for every unit sold, the price would have reduced compared to the price of the last unit which translates to less revenue coming in per unit compared to the last unit.

On the other hand, on average, the higher prices of the earlier goods sold would keep the average revenue higher than the additional revenue (marginal revenue).  

the correct answer is:

it required the president to inform congress within forty-eight hours of any new troop commitment.

the war powers resolution (1973) is a federal law designed to limit the u.s. president’s ability to initiate or intensify military actions abroad without the approval of the congress.

it establishes that the president can send armed forces into action abroad only by declaration of war by congress, statutory authorization, or in case of a national emergency created by attack upon the united states, its territories or possessions, or its armed forces.

it requires the president to notify congress within 48 hours of sending armed forces to military action.

answer; intensive use of a sales force and is relatively costly;