Which of the following statement is FALSE?

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

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

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

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