Which of the following do(does) not qualify for cost recovery for 2019? (Check all that apply)

business machinery purchased in 2018, placed into service in 2019

customer list purchased during the acquisition of another entity

business equipment that was placed into service and sold in 2019

residential real property that is personal use

non-residential real property that was placed into service in 1995 used for business

goodwill internally generated through excellent reputation