1. The following information is for Nichols Company: Selling price $120 per unit Variable costs $50 per unit Total fixed costs $300,000 What is the contribution margin per unit?

2. The following information is for Nichols Company: Selling price $110 per unit Variable costs $80 per unit Total fixed costs $310,000 What is the operating income if 10,000 units are sold?

3. The following information is for Nichols Company: Selling price $120 per unit Variable costs $90 per unit Total fixed costs $315,000 What is the break-even point?

4. The following information is for Nichols Company: Selling price $130 per unit Variable costs $60 per unit Total fixed costs $315,000 How many units need to be sold to achieve an operating income of $157500?