Menlo Company distributes a single product. The company's sales and expenses for last month follow: Per Unit 30 12 Total Sales Variable expenses Contribution margin Pixed expenses Net operating income 450,000 180,000 270,000 18 216,000 54,000 Menlo Company distributes a single product. The company's sales and expenses for last month follow: Per Unit 30 12 Total Sales Variable expenses Contribution margin Pixed expenses Net operating income 450,000 180,000 270,000 18 216,000 54,000