need help with #1

1)Tim sells several products. Information on average revenue and costs is as follows: Selling price per unit $28.50 Variable costs per unit: Direct material $5.50 Direct manufacturing labor $1.15 Manufacturing overhead $0.85 Selling costs $2.50 Annual fixed costs $125,000 How much is operating income if the company sells 15,000 units? Sells several products. Information on average revenue and costs is as follows: Selling price per unit $28.50 Variable costs per unit: Direct material $5.50 Direct manufacturing labor $1.15 Manufacturing overhead $0.85 Selling costs $2.50 Annual fixed costs $125,000 How much is operating income if the company sells 15,000 units? 2)If the company decides to lower its selling price by 10%, the operating income is reduced by how much