please help in solving!

on January 2 Year 1, Hill Company purchased equipment conting $43,200. The equipment has an estimated salvage value of $6,120 and an estimated useful life of 18 years Hill Company uses straight-line depreciation. On January 5 of Year 10, new information suggests that the equipment will have a total useful life of 12 years and a revised salvage value of $3,960. Required: 1. Compute depreciation expense for Year 10 2. Compute the book value of the equipment at the end of Year 10 1. Deprecatione per for Year 10 2. Book at the end of Year 10