The Rams Company has provided the following information: Direct Factory Overhead Month Labor Hours July August September October November December $92,095 105,056 83,802 99,594 108,694 97,404 4,900 5,480 3,760 4,420 5,720 3,980 a. Using the highlow method, calculate the variable factory overhead cost per direct labor hour. b. Using the highlow method, calculate the total fixed factory overhead cost. c. Prepare the resulting cost function. d. What would the total factory overhead cost be at a level of 8,000 hours