Depreciation information On July 1 2022, the resort expanded operations and purchased additional equipment for cash at a cost of $100,000. The company depreciates buildings using the straight-line method over 20 years with residual values of $90,000. Due to expected obsolescence, the equipment has a useful life of only 10 years and is being depreciated by the double-declining-balance method with a residual value of zero. Print Done