A corporation owned a shopping mall and decided in 2018 it had too much area devoted to parking spaces., So it redeveloped the area at a cost of $200,000, over two years, and sold it in 2020. The excess area had an original cost of $50,000, and a fair market value of $80,000 in 2018. The property was sold for $750,000. What would be the tax consequences, and in what years, to the corporation?