Acall-in line has two service representatives answering the phones. if a customer calls when both service representatives are another customer, the incoming customer call is placed on a wait list line. however, the wait list only has room for one caller; all additional callers trying to reach the line when someone is already waiting will be automatically disconnected. customers try calling the -line at a rate of one customer per hour.

Saeed needs money to purchase tools, basic office supplies, parts to refurbish equipment, accounting software, and legal fees. believing saeed's business will be a success, an investor invests $5,000 to saeed open his business. in return, saeed agrees to repay the investor the $5,000 plus 17 percent of the profits of the business. calculate the return on investment for the investor if saeed's business makes $7,000 in profit as a total return of the business in its first year.

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

How do communism and socialism differ in terms of the role that government plays in the economy ?