Answer:
b. Accept Project A and reject Project B.
Explanation:
To verify project viability at a required return rate of 16%, simply calculate the project's net present value at a rate of 16%. If the NPV is positive, then the project should be accepted, otherwise it should be rejected.
Project A:

Project A should be accepted.
Project B:

Project B should be rejected.
It would be depending on how they filled out their tax forms before starting the job. Some people may have children to claim on their tax returns and some people may only be able to claim only theirself .
Answer:
1
Explanation:
A perfect competition is characterized by many buyers and sellers of homogenous goods and services. Market prices are set by the forces of demand and supply. There are no barriers to entry or exit of firms into the industry.
In the long run, firms earn zero economic profit. If in the short run firms are earning economic profit, in the long run firms would enter into the industry. This would drive economic profit to zero.
Also, if in the short run, firms are earning economic loss, in the long run, firms would exit the industry until economic profit falls to zero.
In a perfect monopoly, there is only one firm operating in the industry
In a monopolistic competition, differentiated products are sold
In an oligopoly, there are few large firms
Answer:
a short-run decision because the number of aircraft is held constant while the labor input is changed.
Explanation:
In the short run, at least one variable or factor of production is fixed and cannot be changed. In the long run, all factors of production can be changed.
In this case, the number of aircraft is the fixed factor of production (capital) while labor is variable because more pilots can be hired. Regulation state that pilots must rest a certain amount of time in between flights, so if you want to increase the amount of flights you need to hire more pilots and cabin crews since regulations do not require planes to rest.