7 Duck Company's unadjusted book balance at June 30 is $13,680. The company's bank statement reveals bank service charges of $110. Two credit memos are included in the bank statement: one for $1,410, which represents a collection that the bank made for Duck, and one for $180, which represents the amount of interest that Duck had earned on its interest-bearing account in June. Based on this information, Duck's true cash balance is: 8 01:22:27 Multiple Choice $13,680. $15,380. O $15,160. 0 $14,910