Required: Note: Note that for all questions below you may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.

$4$a$.$ The point where the blue line intersects the Y$-$axis $($the vertical axis$)$ indicates which of the following statements is true?

A$)$ The company$$s total expense at all sales volumes between zero and $50,000$ units is $$80,000.$

B$)$ The company$$s total fixed expense at all sales volumes between zero and $50,000$ units is $$80,000.$

C$)$ he company$$s total variable expense at all sales volumes between zero and $50,000$ units is $$80,000.$

D$)$ The company$$s total contribution margin at all sales volumes between zero and $50,000$ units is $$80,000.$

$4$b$.$ For each increase of one unit on the X$-$axis $($the horizontal axis$),$ the amount on the Y$-$axis $($the vertical axis$)$ increases by:

A$)$ The contribution margin per unit.

B$)$ The selling price per unit.

C$)$ The profit margin per unit.

D$)$ The variable expense per unit.

$4$c$.$ If the selling price per unit decreased and the variable expense per unit and total fixed expense remained unchanged, then which of the following statements is true?

A$)$ The line shown in the profit graph would shift to a V$-$shape.

B$)$ The line shown in the profit graph would not change.

C$)$ The line shown in the profit graph would steepen.

D$)$ The line shown in the profit graph would flatten out.