At the various activity levels shown, harper company incurred the following costs: units sold 20 40 60 80 100 a. rental cost per unit of merchandise sold $ 36.00 $ 18.00 $ 12.00 $ 9.00 $ 7.20 b. total phone expense 80.00 100.00 120.00 140.00 160.00 c. cost per unit of supplies 1.00 1.00 1.00 1.00 1.00 d. total insurance cost 480.00 480.00 480.00 480.00 480.00 e. total salary cost 1,200.00 1,600.00 2,000.00 2,400.00 2,800.00 f. total cost of goods sold 1,800.00 3,600.00 5,400.00 7,200.00 9,000.00 g. depreciation cost per unit 240.00 120.00 80.00 60.00 48.00 h. total rent cost 3,200.00 3,200.00 3,200.00 3,200.00 3,200.00 i. total cost of shopping bags 2.00 4.00 6.00 8.00 10.00 j. cost per unit of merchandise sold 90.00 90.00 90.00 90.00 90.00 required identify each of these costs as fixed, variable, or mixed.

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

Explain whether each of the following events increases, decreases, or has no effect on the unemployment rate and the labor-force participation rate. a. after a long search, jon finds a job. b. tyrion, a full-time college student, graduates and is immediately employed. c. after an unsuccessful job search, arya gives up looking and retires. d. daenerys quits her job to become a stay-at-home mom. e. sansa has a birthday, becomes an adult, but has no interest in working. f. jaime has a birthday, becomes an adult, and starts looking for a job. g. cersei dies while enjoying retirement. h. jorah dies working long hours at the office.

Location test: question 1 of 54)water is a solvent because itoa. is made of moleculesob. dissolves many substancesc. is a saltd. has a large buffering capacity