Gopher Excavation, a calendar-year firm, purchased equipment on January 1st, 2020, for $175,000. The equipment had an estimated life of 10 years and an expected salvage value of $10,000 at that time. Gopher depreciated the using the double declining-balance method. On July 1st, 2023, Gopher sold the equipment for $90,000. What hat was the amount of gain or loss on the sale? O $9,360 gain O $13,968 loss O $400 gain O $31,196 loss