Answer
a. Treasury stock (recorded at cost)- Stockholders' equity (Its Important to note that this is normally a reduction of total stockholder's equity which is reported as contra-equity.
b. Checking account at bank- Current asset
c. Land (held as an investment)- Long-term investment
d. Sinking fund-Long-term investment
e. Un-amortized premium on bonds payable- Long-term debt
f. Copyrights- Intangible assets
g. Pension fund asset- Investment
h. Premium on common stock- Stockholders' equity
i. Long-term investments (pledged against bank loans payable)- Investment
Work Step by Step
Its important to note that a balance sheet is normally a report that summarizes all of an entity's assets, liabilities as well equity share as at a given point in time; therefore the above items are listed in relevance to their different entries within a balance sheet.