URobot Company purchases robotic equipment for one of its assembly lines. The equipment cost URobot $40 million to purchase, install, and prepare to use. The company started to use the equipment on 1/1/2022. Management decided to use double-declining balance as its depreciation method, and estimates the useful life of the equipment as 10 years and salvage value of $4 million. Compute the depreciation expense on the equipment for 2022 and 2023.