For last year, Wampum Enterprises reported revenues of $420,000, cost of goods sold of $108,000, cost of goods manufactured of $101,000, and total operating costs of $70,000. Operating income for that year was . A. $319,000 B. $312,000 C. $249,000 D. $242,000

Engberg company installs lawn sod in home yards. the company’s most recent monthly contribution format income statement follows: amount percent of sales sales $ 80,000 100% variable expenses 32,000 40% contribution margin 48,000 60% fixed expenses 38,000 net operating income $ 10,000 required: 1. compute the company’s degree of operating leverage. (round your answer to 1 decimal place.) 2. using the degree of operating leverage, estimate the impact on net operating income of a 5% increase in sales. (do not round intermediate calculations.) 3. construct a new contribution format income statement for the company assuming a 5% increase in sales.