Stock investment transactions, trading securities

Ophir Investments Inc. is a regional investment company that began operations on January 1, 2012. The following transactions relate to trading securities acquired by Ophir Investments Inc., which has a fiscal year ending on December 31:
2012:
Feb. 3. Purchased 2,000 shares of Mapco Inc. as a trading security at $42 share plus a brokerage commission of $500.
Dec. 31. Accrued interest for three months on Yokohama bonds purchased on October 1.
31. Adjusted the available-for-sale investment portfolio to fair value using the following fair value per-share amounts:
Available-for-sale
Investment
Fair value
Tyndale Inc. stock
$26 per share
UR-Smart, Inc., stock
$15 per share
Walton Winery, Inc., stock
$30 per share
Yokohama Co. bonds
101 per $100 of face value
31. Closed the Guardian Devices, Inc., net income of $28,925 for 2013. Guardian paid no dividends during 2013.
Instructions
Determine the missing letters in the unclassified balance sheet. Provide appropriate supporting calculations.

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