Identify the elements of scarcity, choice and opportunity cost in each of the following. The Zambia environmental management agency is considering a court order that the a 50acre area on the outskirts of Lusaka be preserved in it's natural state, because the area is home to the white Rhino which is considered an endangered species. Developers had planned to build a housing development on the land.​

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.