Please show me the formula for me.

The May bank statement for Accounting Services shows a balance of $6,200, but the balance per books shows a cash balance of $7,680. Other information includes: 1. A check for $190 to pay the electric bill was recorded on the books as $30. 2. Included on the bank statement was a note collected by the bank for $370 plus interest of $30. 3. Checks outstanding totaled $270. 4. Bank service charges were $50. 5. Deposits in transit were $1,880. The adjusted cash balance at the end of May should be: O A) $7,810. O B) $7,140. OC) $9,560. OD) $7,590