can I please get some help on how to break down this problem?

Calculate the following amounts (assuming no Section 179 or bonus depreciation and no other assets were purchased in any years): a. The first year of depreciation on a residential rental building costing $ 100,000, purchased on May 30, 2020. b. The first year of depreciation on an auto used 100 percent in business, costing $35,000, purchased in May 2020. c. The second year of depreciation on a computer used exclusively for business, costing $2,000, purchased May 2019. d. The third year of depreciation on business furniture costing $3,090, purchased in July 2018