The next $4$ questions refer to the following situation:

In the provided blank, insert the letter that corresponds to the correct answer. For example, if the correct answer is $"$a$)1\mathrm{.}990",$ insert only $"$a$"$ as the correct answer.

I $-$ At what output does the flexible manufacturing system become cheaper than the general$-$purpose equipment? The letter associated with the correct answer is

A$)12,000$ units

B$)38,000$ units

C$)100,000$ units

D$)300,000$ units

E$)$ None of the above

II $-$ At what output does the dedicated machine process become cheaper than the flexible manufacturing system process? The letter associated with the correct answer is

A$)12,000$ units

B$)38,000$ units

C$)100,000$ units

D$)300,000$ units

E$)$ None of the above

III $-$ Which process offers the lowest cost to produce $400,000$ units? The letter associated with the correct answer is

A$)$ The general$-$purpose equipment

B$)$ The flexible manufacturing system

C$)$ The dedicated machine

D$)$ The general$-$purpose equipment or the flexible manufacturing system, either one

E$)$ None of the above

IV $-$ The firm forecast to sell $400,000$ units of the product at $$24$ per unit. What is the maximum possible profit? The letter associated with the correct answer is

A$)$ $$1,200,000$

B$)$ $$1,800,000$

C$)$ $$2,400,000$

D$)$ $$3,900,000$

E$)$ None of the above