________ means accomplishing a set of goals in a way that uses the optimal level of resources while generating the optimal level of output

Which of the following is not an example of the bricks-and-clicks e-tailing business model?

A) Walmart B) Sears C) Bluefly D) Staples

One of the personal security safeguards is to use https at trusted, reputable vendors

Indicate whether the statement is true or false