Marston Manufacturing Company is considering a project that requires an investment in new equipment of $4,200,000, with an additional $210,000 in shipping and installation costs. Marston estimates that its accounts receivable and inventories need to increase by $840,000 to support the new project, some of which is financed by a $336,000 increase in spontaneous liabilities (accounts payable and accruals).The total cost of Martson's new equipment is ___________.