Which sentence is correct?

a. the school system comprises five different districts, each of which is comprised of six or more schools.

b. the school system comprises five different districts, each of which comprises six or more schools.

c. the school system composes five different districts, each of which is comprised of six or more schools.

d. the school system is composed of five different districts, each of which composes six or more schools?

Oakmont company has an opportunity to manufacture and sell a new product for a four-year period. the company’s discount rate is 18%. after careful study, oakmont estimated the following costs and revenues for the new product: cost of equipment needed $ 230,000 working capital needed $ 84,000 overhaul of the equipment in year two $ 9,000 salvage value of the equipment in four years $ 12,000 annual revenues and costs: sales revenues $ 400,000 variable expenses $ 195,000 fixed out-of-pocket operating costs $ 85,000 when the project concludes in four years the working capital will be released for investment elsewhere within the company. click here to view exhibit 12b-1 and exhibit 12b-2, to determine the appropriate discount factor(s) using tables.

Darlene has a balance of 3980 on a credit card with an apr of 22.8% paying off her balance and which of these lengths of time will result in her paying the least amount of interest?

The market demand curve for a popular teen magazine is given by q = 80 - 10p where p is the magazine price in dollars per issue and q is the weekly magazine circulation in units of 10,000. if the circulation is 400,000 per week at the current price, what is the consumer surplus for a teen reader with maximum willingness to pay of $3 per issue?