On December 12, 2018, Mary purchased a copy machine for $10,000. The copy machine was delivered to her office on January 3, 2019 and was used exclusively in her business. She is on a calendar year basis and purchased no other assets in either in either 2018 or 2019. Which of the following is true? Mary may claim depreciation in 2018 using the half-year convention Mary may claim depreciation in 2019 using the mid-quarter convention b. Mary may claim depreciation in 2019 using the half-year convention C. Mary may claim depreciation in 2018 using the mid-quarter convention d. Mary may elect to claim depreciation in either 2018 or 2019 using the e convention applicable for the year elected