Which of the following best describes why the aggregate demand curve is downward sloping?
a. as the aggregate price level decreases, the stock of existing physical capital increases.
b. as the aggregate price level increases, consumer expectations about the future change.
c. an increase in the aggregate price level causes consumer and investment spending to fall because consumer purchasing power decreases and money demand increases.
d. as a good\'s price increases, holding all else constant, the good\'s quantity demanded decreases.

Which of the following is not true about a command economy? the means of production are publicly owned. markets determine supply, demand, and price. production goals are decided by the government. economic activity is controlled by the central government. distribution of raw materials is decided by the government.

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

Kirnon clinic uses client-visits as its measure of activity. during july, the clinic budgeted for 3,250 client-visits, but its actual level of activity was 3,160 client-visits. the clinic has provided the following data concerning the formulas to be used in its budgeting: fixed element per month variable element per client-visitrevenue - $ 39.10personnel expenses $ 35,100 $ 10.30medical supplies 1,100 7.10occupancy expenses 8,100 1.10administrative expenses 5,100 0.20total expenses $ 49,400 $ 18.70the activity variance for net operating income in july would be closest to: