Answer is $3.75/DLH. Please show work!

Hudson Company applies overhead to production on the basis of direct labor hours. During the budget process for the current fiscal year the company estimated total overhead would be $1,875,000 and direct labor time would total 500,000 hours. During the fiscal year actual overhead was $1,900,000 and the company employed 480,000 direct labor hours. The predetermined overhead rate Hudson Company used to apply factory overhead to production was