Owen Company's unadjusted book balance at June 30 is $9,880. The company's bank statement reveals bank service charges of $60. Two credit memos are included in the bank statement: one for $1,020, which represents a collection that the bank made for Owen, and one for $80, which represents the amount of interest that Owen had earned on its intreats-bearing account in June. Based on this information, Owen's true cash balance is:

A) $9,880

B) $10,920

C) $10,820

D) $11,040