3.57 Consider the following three individuals. Just after their 19th payment: Robert Dixon had a balance of $80,000 on a 9%, 15-year mortgage; Wanda Harper had a balance of $80,000 on a 9%, 20-year mortgage; and Tony Zang had a balance of $80,000 on a 9%, 30-year mortgage. How much interest did each individual pay on the 20th payment

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.