Naomi has a home loan amount of $120,000. her monthly principal and interest payment is $679.00 for thirty years. how much interest will naomi pay over the term of her loan?

Bridge building company estimates that it will incur $1,200,000 in overhead costs for the year. additionally, the company estimates 50,000 direct labor hours will be spent building custom walking bridges for the year at a total direct labor cost of $600,000. what is the predetermined overhead rate for bridge building company if direct labor costs are to be used as an allocation base?