Which of the following statement is FALSE?

If variable expense per unit decreases while all other factors remain unchanged, then net operating income will increase.

If selling price per unit decreases while all other factors remain unchanged, then the break-even point will increase.

If total fixed expenses increase while all other factors remain unchanged, then the break-even point will increase.

If variable expense per unit increases while all other factors remain unchanged, then the break-even point will decrease.