Exercise 17-11 (Part Level Submission) Marin Corporation made the following cash purchases of securities during 2017, which is the first year in which Marin invested in securities. 1. On January 15, purchased 10,140 shares of Sanchez Companys common stock at $40.20 per share plus commission $2,120. 2. On April 1, purchased 5,140 shares of Vicario Co.s common stock at $62.40 per share plus commission $3,510. 3. On September 10, purchased 7,140 shares of WTA Co.s preferred stock at $31.80 per share plus commission $5,050. On May 20, 2017, Marin sold 4,140 shares of Sanchez Companys common stock at a market price of $42 per share less brokerage commissions, taxes, and fees of $3,990. The year-end fair values per share were Sanchez $36, Vicario $66, and WTA $33.60. In addition, the chief accountant of Marin told you that the corporation plans to hold these securities for the long-term but may sell them in order to earn profits from appreciation in prices. The equity method of accounting is not appropriate for these stock purchases. (c) Compute the unrealized gains or losses