Assume that a company purchased a new plant asset for $640500 on January 1, 2018. The management team believes that the asset will last for 3 years and that it will have a salvage value of $70500. If they report deep]reciation expense of $95,000 for this asset in 2020, what depreciation method is the company using?

Sum-of-the-years' digits

Double Decline Balance

Straight-line

Cannot tell from information provided