An uninterruptible power system used in a small production facility at Acme Manufacturing has a basis of $56,000 and is expected to have $5750 salvage value after 125,000 hours of use. Calculate the depreciation rate per hour of use and the book value after 77,000 hours of operation.

Mno corporation uses a job-order costing system with a predetermined overhead rate based on direct labor-hours. the company based its predetermined overhead rate for the current year on the following data: total estimated direct labor-hours 50,000 total estimated fixed manufacturing overhead cost $ 285,000 estimated variable manufacturing overhead per direct labor-hour $ 3.80 recently, job p123 was completed with the following characteristics: total actual direct labor-hours 20 direct materials $ 710 direct labor cost $ 500 the amount of overhead applied to job p123 is closest to: