Required information Chapter $4$: Applying Excel $($Algo$)[$The following information applies to the questions displayed below.$]$ The Chapter $4$ Form worksheet appearing below recreates the Review Problem example in the text. Chapter $4$: Applying Excel: Exercise $($Part $2$ of $2)($Algo$)2.$ Change all of the numbers in the data area of your worksheet so that it looks like this: If your formulas are correct, you should get the correct answers to the following questions. $($a$)$ What is the break$-$even in dollar sales? Break$-$even in dollar sales $($b$)$ What is the margin of safety percentage? Margin of safety percentage $\backslash \%($c$)$ What is the degree of operating leverage? Note: Round your answer to $\backslash (\backslash$mathbf$\{2\}\backslash )$ decimal places. Degree of operating leverage $3.$ Using the degree of operating leverage and without changing anything in your worksheet, calculate the percentage change in net operating income if unit sales increase by $20\backslash \%.3-$a$.$ Calculate the unit sales per month at which Frieden management will be indifferent between doing the major upgrade to the manufacturing equipment and not doing the upgrade.

$3-$b$.$ Based on the above analysis, should Frieden proceed with the major upgrade?

Yes

No

$3-$c$.$ Why or why not?

$4-$a$.$ Refer to the original data. Instead of doing the major upgrade to the equipment, management is considering introducing a new advertising campaign that will increase fixed expenses by $\backslash (\backslash$$ $39,000\backslash )$ per month. Management believes the new advertisements will increase monthly unit sales by $10\backslash \%.$ In this case what would be imapact on operating income.

Operating income

$4-$b$.$ Should Frieden proceed with the new advertising campaign?

Yes

No