Hi Phi Sound Unlimited has a monopoly over the installation of surround sound systems. Hi Phi Unlimited's total revenue from installing 15 sound systems is $30,000 and its total revenue from installing 18 sound systems is $33,000. The marginal revenue received from selling the 18th sound system is A) equal to the price of the 16th sound system.

Explain whether each of the following events increases or decreases the money supply. a. the fed buys bonds in open-market operations. b. the fed reduces the reserve requirement. c. the fed increases the interest rate it pays on reserves. d. citibank repays a loan it had previously taken from the fed. e. after a rash of pickpocketing, people decide to hold less currency. f. fearful of bank runs, bankers decide to hold more excess reserves. g. the fomc increases its target for the federal funds rate.

Advanced enterprises reports year-end information from 2018 as follows: sales (160,250 units) $968,000 cost of goods sold 641,000 gross margin 327,000 operating expenses 263,000 operating income $64,000 advanced is developing the 2019 budget. in 2019 the company would like to increase selling prices by 14.5%, and as a result expects a decrease in sales volume of 9%. all other operating expenses are expected to remain constant. assume that cost of goods sold is a variable cost and that operating expenses are a fixed cost. should advanced increase the selling price in 2019?

Which curve shows increasing opportunity cost as you give up more of one option? demand curve bow-shaped curve yield curve indifference curve