Answer
Breakeven Point (in revenues) = $214,500 \div 0.4714 ≈ $454,818.65
Work Step by Step
Breakeven Point in Revenues for 2015 with Additional Advertising Cost:
Breakeven Point (in revenues) = Total Fixed Costs $\div$ Contribution Margin Ratio
Contribution Margin Ratio = Contribution Margin per Unit $ \div $ Selling Price per Unit
Contribution Margin Ratio = $16.50 \div $35 ≈ 0.4714