Which of the following is an example of a flow measurement? The number of students attending economics class now The number of apartments built during the month of June The number of apartments available to students on June 20 The number of convertibles on the used car lot today at noon Choose the most correct answer by clicking a button, or by typing a letter from the keyboard and pressing the tab key. The M-1 definition of money consists of: only currency and coin. currency, coin, and travelers' checks. currency, coin, travelers' checks, and amounts in checking accounts. currency, coin, travelers' checks, amounts in checking accounts, and amounts in saving accounts. Choose the most correct answer by clicking a button, or by typing a letter from the keyboard and pressing the tab key.