Question 20 2 pts Equity securities of Sanchez Inc. were purchased as a short-term passive investment by Hayden Company on December 14 for $1,000. On December 31, the market value of those securities is $1,300. Which one of the following adjusting journal entries is appropriate at December 31? 1,300 Short-term Equity Investments Unrealized Gain Cash 300 1,000 300 Short-term Equity Investments Unrealized Gain 300 300 Short-term Equity Investments Securities Revenue 300 No entry is required