answer these fast please

Stratford Company distributes a lightweight lawn chair that sells for $40 per unit. Variable expenses are 40% of sales, and fixed expenses total $672,000 annually. Required: Answer the following independent questions: 1. What is the product's CM per unit? Contribution margin per unit $ 0 2. Use the CM per unit to determine the break-even point in units. Break-even point in units 1, 120,000 3. The company estimates that sales will increase by $115,000 during the coming year due to increased demand. By how much should net operating income increase? Increase in operating income