Plato PLC is a supplier to large construction companies. During 2017, Plato experienced an increase in net fixed assets of £1,500,000 and had depreciation of £1,000,000. It also experienced an increase in current assets of £750,000 and accounts payable of £375,000. If operating cash flow (OCF) for the year was £3,500,000, calculate the firm’s free cash flow (FCF) for the year.