which of the following taxpayers may claim the standard mileage rate?a) kamila,a sole proprietor, drove her new automobile 3199 miles for business in 2020,she kept contemporaneous record of her mileage. b) Merlin,a sole proprietor, drove his 2018 automobile 15832 miles for his business in2020. He's been using actual expenses since he put the vehicle in service. c) Joyce is a volunteer at the American Red Cross in her community. She estimates she drove 2000 miles during 2020 for her volunteer work. d) Sally, a reserve member of the Armed Forces, moved 1956 miles to be closer to her aging parents.