Select the correct answer. Which of these situations shows someone who is considering opportunity costs?

A.
Sam volunteers in a hospital and later joins his friends in a game of football.
B.
Martha buys all the groceries she needs for the month.
C.
Amanda decides to use her free time to exercise instead of sleep.
D.
Clara goes shopping at a mall and buys two pairs of shoes.

Read the sentence below about the chicago fire of 1871. schaffer told someone else to strike the wrong alarm box and that caused a miscommunication during the chicago fire of 1871. which revision is the best example of adding concrete details? schaffer told another person in his office to sound the wrong alarm and that caused a big miscommunication during the chicago fire. schaffer told his assistant to strike the wrong alarm box and that caused a miscommunication during the massive chicago fire of 1871. schaffer mistakenly told his assistant to strike alarm box 342 instead of the correct box and that caused a miscommunication during a fire in chicago. schaffer mistakenly told his assistant to strike alarm box 342, and as a result, firefighters were directed to an incorrect location during the chicago fire of 1871.