9. Pool Company invested $42,000 in marketable securities on March 3. On March 15, it sold some of these investments for $23,000, and on March 28, it sold more of these investments for $13,000. The securities sold on March 15 had cost the company $20,000, whereas the securities sold on March 28 had cost the company $15,000 Assuming the fair market value of the company's remaining unsold securities was $6,800. The necessary fair value adjustment at the end of the period will include* (3 Points) Unrealized holding gain on investment of $200 Unrealized holding gain on investment of $800 Unrealized holding loss on investment of $200 none of the above