An automotive assembly factory needs to decide whether or not to purchase the new $300,000 machine to help speed up its assembly line, This machine is expected to generate $75,000 of constant dollar (year dollars) revenue in year 1, which is expected to increase by $5000 (year 0 dollars) each year for the next five years. At the end of the five years, it will have negligible salvage value. Assume that the factory would like to make the purchase if they are able to earn an inflation free return of at least 10% D Question 19 5 pts Question a In the constant dollar analysis, we should use Inflation free interest rate Market interest rate Question : Calculate the present worth of this machine. Round to the nearest integer. D Question 21 5 pts Question : What is the value of inflation-free IRR? Round your answexto the nearest percentage. For example, if you get 15%, enter 15. D Question 22 5 pts Question d: Would you recommend the factory to purchase this new machine