Compute and interpret the contribution margin ratio using the following data: sales, $6,000; total variable cost, $3,000.

University car wash built a deluxe car wash across the street from campus. the new machines cost $219,000 including installation. the company estimates that the equipment will have a residual value of $19,500. university car wash also estimates it will use the machine for six years or about 12,500 total hours. actual use per year was as follows: year hours used 1 3,100 2 1,100 3 1,200 4 2,800 5 2,600 6 1,200 prepare a depreciation schedule for six years using the following methods: 1. straight-line. 2. double-declining-balance. 3. activity-based.

What are the positive environmental trends seen today? many industries are taking measures to reduce the use( _gold,carbon dioxide,ozone_) of -depleting substances and are turning to(_scarce,renewable,non-recyclable_) energy sources though they may seem expensive. choose one of those 3 option to fill the

Classify each of the following items as a public good, a private good, a natural monopoly good, or a common resource.(a) measles vaccinations (b) tuna in the pacific ocean (c) airline service in the united states (d) local storm-water system