2-17, Page 93; Investment in Total Net Operating Capital - Athenian Venues Inc. just reported the following selected portion of its financial statements for the end of 2020 . Your assistant has already calculated the 2020 end-of-year net operating working capital (NOWC) from the full set of financial statements (not shown here), which is $13 million. The total net operating capital for 2019 was $50 million. What was the 2020 net investment in operating capital