Answer:
The correct answer is letter "A": is reported in the Other Revenues and Gains section of the income statement.
Step-by-step explanation:
The Other Revenues and Gains section of the Income Statement all those income a firm earned given a period as a result of transactions that do not belong to the company's business. They are also called non-operating revenue. A typical example of a non-operating revenue is the interest earned for selling on credit.
Therefore, the proceeds from a common stock investment sold at a gain will be recorded in the Other Revenues and Gains section of the Income Statement.