Data Allocation case Machine-hour Estimated manufacturing overhead cost $300,000 Estimated total amount of the allocation base 75,000 Actual manufacturing overhead cost $290,000 Actual total amount of the allocation base 68,000 Enter a formula into each of the cells marked with a ? below Computation of the predetermined overhead rate Estimated manufacturing overhead cost ? Estimated total amount of the allocation base ? Predetermined overhead rate ? Computation of underapplied or overapplied manufacturing overhead Actual manufacturing overhead cost ? Manufacturing overhead cost applied to Work in Process during the year: Predetermined overhead rate ? Actual total amount of the allocation base ? Manufacturing overhead applied ? Underapplied (overapplied) manufacturing overhead