Green Wildlife pty ltd is a major zoo that features open-air natural exhibits for animals and birds from around the world. The manager of the zoo is planing the cash budget for the months of June and July. You are required to help the manager by advising on the following question: If the opening balance of cash for June 2020 is $270,000, cash receipts are estimated to be $1,050,000, and cash payments are estimated as $576,000 (excluding $150,000 depreciation); what is the opening cash balance at the beginning of July 2020? (round to the nearest dollar; a numerical answer is required).