On January 1, 2016, Moline Co. paid exist80,000 for a 20% interest in Oak Industries. Oak Industries' stockholders' equity amounted to exist310,000 on that date. The excess of purchase price over book values was due to an unrecorded patent valued at exist90,000 with a 10-year life. During 2016, Oak Industries reported income of exist50,000 and paid dividends of exist8,000. During 2017, it reported income of exist60,000 and dividends of exist12,000. Assume that Moline Co. has significant influence over the operations of Oak Industries. a. What is the amount of goodwill? b. What is Equity Income for 2016? c. What is the balance in the Equity Investment account at December 31, 2016? d. What is Equity Income for 2017? e. What is the balance in the Equity Investment account at December 31, 2017