Six months ago, a company purchased an investment in stock for $74,000. The investment is classified as available-for-sale securities. The current fair value of the stock is $78,350. The company should record a: a.) Credit to Unrealized Gain-Equity for $4,350. b.) Credit to Investment Revenue for $4,350. c.)Debit to Unrealized Loss-Equity for $4,350. d.) Credit to Market Adjustment - Available-for-Sale for $4,350. e.) Debit to Investment Revenue for $4,350