On January 2, 2017, Norwin Company purchased 3,000 shares of Oslo Company common stock for $60,000. The stock has a par value of $10 and is part of the total stock outstanding of 20,000 shares of Oslo Company. Total stockholders' equity of Oslo Company on January 2, 2017 was $600,000. Instructions Prepare necessary journal entries on the books of Norwin Company for the following transactions. If no entry is required, write "none" in the space provided. (Round all calculations to the nearest cent.) (a) January 2, 2017: Norwin purchases the shares described above. (b) December 31, 2017: Norwin receives a $.75 per share dividend from Oslo, and Oslo announces a net income for 2017 of $250,000. (c) December 31, 2017: According to The Wall Street Journal, Oslo common is selling for $19 per share. Norwin's management views this decline as being only temporary in nature. (d) February 15, 2018: Norwin sells 1,000 of the shares purchased on January 2, 2017 at $21 per share.