The most recent financial statements for Nguyen Company are shown here:

Assets and costs are proportional to sales. The company maintains a constant $40$ percent dividend payout ratio and a constant debt$-$

equity ratio. What is the maximum dollar increase in sales that can be sustained assuming no new equity is issued?

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

Answer is complete but not entirely correct.

Maximum dollar increase