Answer
Break even point in unit sales = Fixed expenses $\div$ Contribution margin per unit = 6,000 $\div$ 8 = 750 (units)
Work Step by Step
Fixed expenses = 6,000 dollars
Contribution margin per unit = 8 dollars (Calculated in question 1)
Divide Fixed expenses by Contribution margin per unit to get that the Break-even point in unit sales = 6,000 $\div$ 8 = 750 (units)