Mallet Music Company makes custom marimbas and xylophones. Since much of the work on these musical instruments is done by hand, the company uses direct labor hours as its manufacturing overhead application base. The company's annual budgeted overhead costs for 73,400 direct labor hours totaled $734,000. (a) Assume that during the year, the company incurred manufacturing overhead totaling $579,000 for 73,400 direct labor hours. By how much was manufacturing overhead under- or overapplied for the year? (Enter underapplied overhead using a negative sign preceding the number e.g. -45.) _____ Overhead $ _____ (b) Assume that during the year, the company incurred manufacturing overhead totaling $579,000 for 74,000 direct labor hours. By how much was manufacturing overhead under- or overapplied for the year? (Enter underapplied overhead using a negative sign preceding the number e.g.-45.) _____ Overhead $ _____ (c) Assume that during the year, the company incurred manufacturing overhead totaling $573,000 for 74,000 direct labor hours. By how much was manufacturing overhead under- or overapplied for the year? (Enter underapplied overhead using a negative sign preceding the number e.g. -45.) _____ Overhead $ ______