Nickleson Company had an unadjusted cash balance of $$7,750$ as of May $31.$ The company's bank statement, also dated May $31,$ included a $$72$ NSF check written by one of Nickleson's customers. There were $$800$ in outstanding checks and $$950$ in deposits in transit as of May $31.$ According to the bank statement, service charges were $$50,$ and the bank collected an $$800$ note receivable for Nickleson. The bank statement also showed $$13$ of interest revenue earned by Nickleson. Required: Determine the true cash balance as of May $31.($Hint: It is not necessary to use all of the preceding items to determine the true balance.$)$ True cash balance