The Red Cross provides about 40 percent of the replacement blood supply for the United States. The available donor base has been shrinking for years, and although increased advertising has kept Red Cross supplies adequate, the time is approaching when demand will outstrip supply. For many years, the Red Cross has refused to pay donors for blood, because to do so would ‘‘put the blood supply of the country at risk.’’ However, Red Cross management has begun to consider changing its policy. Evaluate the impacts of a policy under which the Red Cross would pay each of its donors a set fee.