Cullumber Corporation sells a single product for $$40.$ Its management estimates the following revenues and costs for the year $2022$:

Net sales

$$420,000$

Selling expenses$-$variable

$$16,800$

Direct materials

$75,600$

Selling expenses$-$fixed

$16,800$

Direct labour

$50,400$

Administrative expenses$-$variable

$8,400$

Manufacturing overhead$-$variable

$16,800$

Administrative expenses$-$fxed

$8,400$

Manufacturing overhead$-$fixed

$25,200$

a$)$

Determine the sales required to earn an operating income of $$302,400$ after tax. Cullumber Corporation's income tax rate is

$50\%.$

Sales required to earn an operating income of $$302,400$

$