If policy makers want to increase real gdp by $100 billion and the marginal propensity to consume is 0.75, they should taxes by

a. decrease; more than $25 billion.
b. decrease; less than $25 billion.
c. increase; more than $25 billion.
d. increase; less than $25 billion.

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants

answer; break-even analysis;