On October 1, 2021, Hines Co. purchased factory equipment with an invoice price of $90,000. The equipment is estimated to have a $5,000 salvage value at the end of its 8-year useful service life. (A) What is depreciation for 2021 using double declining balance method? A/ (B) On October 1, 2021, Hines Co. purchased factory equipment with an invoice price of $90,000. The equipment is estimated to have a $5,000 salvage value at the end of its 8-year useful service life. What is the book value? Show Calculations in box provided