Question

Gerald usually buys name brand pain relievers to treat his headaches, but he recently noticed the generic store brand is two dollars cheaper. Upon trying the product, he discovers it works equally as well as the name brand. This example shows how Gerald

Answer 1

This example shows how Gerald 

B. compared the price of alternatives and saved money

this is one way of saving money, canvass for other alternatives, compare and contrast, and choose between them whether which is better and cheaper.  This allowed Gerald to make a good decision.