I'm pretty sure the answer would be a. and b. because I know the coefficients of an expression do not have to be negative.
Answer:
a) The break-even point for the division (x, y) = ( 4000, 36000)
b) ) What should be the level of sales in order for the division to realize a 10% profit = 4783
Step-by-step explanation:
The detailed steps and appropriate analysis is as shown in the attachment.