Marshfield Industries uses job costing to calculate the costs of its jobs with direct labor cost as its manufacturing overhead allocation base. (Click the icon to view additional information.) Read the requirements. Requirement 1. What is Marshfield's predetermined manufacturing overhead rate based on direct labor (DL) cost? Determine the formula to calculate Marshfield's predetermined overhead rate based on direct labor costs, then calculate the rate. Requirements 1. What is Marshfield's predetermined manufacturing overhead rate based on direct labor cost? 2. Calculate the manufacturing overhead to be allocated based on direct labor cost to Job 371. 3. What is the total cost of Job 371 ? More info The company manufactures a variety of engines for use in farm equipment. At the beginning of the current year, Marshfield estimated that its overhead for the coming year would be $364,000. It also anticipated using 28,000 direct labor hours for the year. Marshfield pays its employees an average of $26 per direct labor hour. Marshfield just finished Job 371, which consisted of two engines for a farm equipment manufacturer. The costs and hours for this job consisted of $16,000 in direct materials used and 100 direct labor hours