Economists note that personal income rose by 5 percent last year. What impact will the change in personal income have on demand? A It will cause the demand curve to shift up
B It will cause the demand curve to shift left
C It will cause the demand curve to shift down
D It will cause the demand curve to shift right

You are the manager of a firm that produces output in two plants. the demand for your firm's product is p = 20 − q, where q = q1 + q2. the marginal costs associated with producing in the two plants are mc1 = 2 and mc2 = 2q2. how much output should be produced in plant 1 in order to maximize profits?

Prior to its closing, income summary had total debits of $1,190,500 and total credits of $1,476,300. what purpose is served by the income summary account and what is the nature of the entries that resulted in the $1,190,500 and the $1,476,300? the income summary account is used to the accounts. the $1,190,500 represents the , and the $1,476,300 represents . the company had of $ .

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)