Osborn Company's unadjusted book balance at June 30, 2014 is $7,800. The company's bank statement reveals bank service charges of $45. Two credit memos are included in the bank statement: one for $900 which represents a collection of an account receivable that the bank made for Osborn and one for $10 which represents the amount of interest that Osborn had earned on its interest-bearing checking account in June. Based on this information, Osborn's true cash balance is:
A. $7,800.
B. $8,705.
C. $8,665.
D. $8,795.