16. In 2018, Port Company purchased the working interest of an unproved lease for $100,000. In 2019, Port Company recognized impairment of $20,000 on this lease. In 2020, Port Company sold the entire working interest to Frank Company for: a. $70,000 b. $110,000 Assume instead that the property was assessed on a group basis and sold for: c. $70,000 d. $110,000 REQUIRED: Give the entry to record the sale in each of the above situations, assuming that Port Company is a successful efforts company