117. Which of the following classifications best describes the behavior of shipping expense?

117. Which of the following classifications best describes the behavior of shipping expense? Assume that the relevant range includes all of the activity levels mentioned in this problem. 118. Which of the following classifications best describes the behavior of clerical expense? 121. If Casablanca expects to incur 185,000 machine hours next month, what will the estimated total overhead cost be using the high-low method? 122. What is Casablanca”s independent variable?