The following information is available regarding the total manufacturing overhead of Bursa Mfg. Co. for a recent four-month period Nachine-Manufacturing overhead Hours 5, 900 3, 200 4, 900 2,600 January February March 224, e00 263, 800 190, 000 April a-1. Use the high-low method to determine the variable element of manufacturing overhead costs per machine-hour. (Round your answer to 2 decimal places.) a-2. Use the high-low method to determine the fixed element of monthly overhead cost. b. Bursa expects machine-hours in May to equal 5,300. Use the cost relationships determined in part a to forecast May's manufacturing overhead costs. c. Suppose for the months of February and March. By what amounts would Bursa have over- or underestimated these costs? Bursa had used the cost relationships determined in part a to estimate the total manufacturing overhead expected Manufacturing overhead cost per machine hour 2Fixed element of monthly overhead cost Estimated manufacturing overhead cost Amount C. February March