Rainey Company's True Cash Balance at October 31 Is $5,710

Rainey Company's true cash balance at October 31 is $5,710. The following information is available for the bank reconciliation: Outstanding checks, $600
Deposits in transit, $450
Bank service charges, $90
The bank had collected an account receivable for Rainey Company, $1,000
The bank statement included an NSF check written by one of Ramsey's customers for $600.
Based on this information Rainey's unadjusted book balance at October 31 is:

A) $5,870.
B) $5,400.
C) $6,400.
D) $5,490.