Answer
Break even point in dollar sales = Total Fixed expenses $\div$ Contribution Margin ratio = 6,000 $\div$ 0.4 = 15,000 dollars
Work Step by Step
Total Fixed expenses = 6,000 dollars
Contribution Margin ratio = 0.4 (as calculated in Question 2)
Break even point in dollar sales = Total Fixed expenses $\div$ Contribution Margin ratio = 6,000 $\div$ 0.4 = 15,000 dollars