Suppose there are two options to replace a broken yet critical machine. The second option is to buy a used $5-$axis milling machine in pretty good shape that costs only $$40,000$ but the variable costs are $$10.$ What is the break$-$even$-$point of this option if revenue per unit was $$20?$

Question $20$Select one:

a$.$

$2000$ units

b$.$

$1000$ units

c$.$

$4000$ units

d$.$

None of these answers is even close

e$.$

$$40,000$