What is the correct answer if marginal cost is rising in a competitive firm's short-run production process and its average variable cost is falling as output is increased, then
a. marginal cost is above average variable cost.
b. marginal cost is below average fixed cost.
c. marginal cost is below average variable cost.
d. average fixed cost is constant.

After hearing a knock at your front door, you are surprised to see the prize patrol from a large, well-known magazine subscription company. it has arrived with the good news that you are the big winner, having won $21 million. you have three options.(a) receive $1.05 million per year for the next 20 years.(b) have $8.25 million today.(c) have $2.25 million today and receive $750,000 for each of the next 20 years.your financial adviser tells you that it is reasonable to expect to earn 13 percent on investments.