Lou Bega Inc. makes three musical instruments: trumpets, tubas, and trombones. The budgeted

factory overhead cost is $$3,420,400.$ Factory overhead is allocated to the three products on the

basis of direct labor hours. The products have the following budgeted production volume and

direct labor hours per unit:

a$.$ Determine the single plantwide factory overhead rate.

b$.$ Use the factory overhead rate in $($a$)$ to determine the amount of per$-$unit and total factory

overhead allocated to each of the three products.