Explain transaction result in reporting in income statement

Question

Karen Duffy Company receives net proceeds of $42,000 on the sale of stock investments that cost $39,500. This transaction will result in reporting in the income statement a:

(a) loss of $2,500 under "Other expenses and losses."

(b) loss of $2,500 under "Operating expenses."

(c) gain of $2,500 under "Other revenues and gains."

(d) gain of $2,500 under "Operating revenues."