Princeton Company acquired some of the 70,000 outstanding shares of the common stock of Cox Corporation as trading securities. The accounting period for both companies ends December 31. July 2 Purchased 8,400 shares of Cox common stock at $24 per share. Dec. 15 Cox Corporation declared and paid a cash dividend of $3 per share. Dec. 31 Determined the fair value of Cox stock to be $25 per share. Indicate the effects (direction and amount) of the transactions listed above. (Enter any decreases to account balances with a minus sign.)