Which of the following statements are true? a. Markets by definition involve the exchange of money for goods and services.
b. Markets are forums in which parties exchange goods and services at a "price," where the latter can be flexibly construed.
c. Your current economics course, the next election, and the dating scene can all be seen as markets.

The media specialist suggests a library reading program that will correlate highly with the teaching program and reward the students as they read. the rewards will be provided by the business community. a pencil carrier will be the reward for having read 25 books, a baseball cap the reward for having read 30 books, a tee shirt for 50 books, and a backpack for having read 100 books. the media specialist's suggestion is based on her knowledge that:

How do primary and secondary industries differ

Exercise 18-15 sheffield appliance center is an experienced home appliance dealer. sheffield appliance center also offers a number of services for the home appliances that it sells. assume that sheffield appliance center sells ovens on a standalone basis. sheffield appliance center also sells installation services and maintenance services for ovens. however, sheffield appliance center does not offer installation or maintenance services to customers who buy ovens from other vendors. pricing for ovens is as follows. oven only $790 oven with installation service 850 oven with maintenance services 970 oven with installation and maintenance services 990 in each instance in which maintenance services are provided, the maintenance service is separately priced within the arrangement at $180. additionally, the incremental amount charged by sheffield appliance center for installation approximates the amount charged by independent third parties. ovens are sold subject to a general right of return. if a customer purchases an oven with installation and/or maintenance services, in the event sheffield appliance center does not complete the service satisfactorily, the customer is only entitled to a refund of the portion of the fee that exceeds $790. assume that a customer purchases an oven with both installation and maintenance services for $990. (b) indicate the amount of revenue that should be allocated to the oven, the installation, and to the maintenance contract.