If the Fed desires to strengthen the dollar without affecting the dollar money supply, it should: a) exchange foreign currencies for dollars and buy existing Treasury securities with dollars.
b) exchange dollars for foreign currencies and sell some of its existing Treasury security holdings for dollars.
c) exchange dollars for foreign currencies and buy existing Treasury securities with dollars.
d) exchange foreign currencies for dollars and sell some of its existing Treasury security holdings for dollars.

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it