Colby Limited is a manufacturing company whose total factory overhead costs fluctuate somewhat from year to year, according to the number of machine-hours worked in its production facility. These costs at high and low levels of activity over recent years are given below: The factory overhead costs above consist of indirect materials, rent, and maintenance. The company has analyzed these costs at the 74,000 machine-hours level of activity as follows: 3. What total overhead costs would you expect the company to incur at an operating level of 79,000 machine-hours