If the working age population is 200 million, 150 million are employed, and 6 million are unemployed, the unemployment rate is

All of the following are roles of a exchange EXCEPT

A) instituting margin requirements on futures contracts. B) marking to market at the end of each day. C) eliminate the need for buyers and sellers of futures contracts to be concerned about the creditworthiness of each other. D) reducing the default risk involving forward contracts.

Rising prices will discourage consumption and encourage conservation

a. True b. False Indicate whether the statement is true or false