$1)$ Considering the following information calculate Cost$-$Volume$-$Profit $($CVP$)$ metrics below.

a$.$ Selling price per unit: $$30$

b$.$ Variable cost per unit: $$20$

c$.$ Total Fixed cost: $$6000$

d$.$ Target Operating Income: $$3000$

e$.$ Target Net Income: $$2000$

f$.$ Expected sales: $900$ units.

g$.$ Tax rate: $20\%$

Required:

$$ Calculate total Contribution margin, Contribution margin per unit and Contribution margin ratio. $(4$ point$)$

$$ Calculate Operating income. $(3$ point$)$

$$ Calculate Breakeven revenue and Breakeven units. $(3$ point$)$

$$ Calculate the required quantity to achieve Targeted Operating Income. $(3$ point$)$

$$ Calculate the required quantity to achieve Targeted Net Income. $(3$ point$)$

$$ Calculate the Margin of Safety ratio $($MOS$).(3$ point$)$

$$ Calculate the Degree of Operating Leverage $($DOL$).(3$ point$)$