If the Dividends paid are $90; the Equity at the End of the Year was valued at $500 and at $250 at the Beginning of the Year; the interest paid during the year was $25; the Debt at the end of the year was $650 and the Debt at the beginning of the year was also $650; if the Additions to NWC were $15 and the NCS during the year was $25 the OCF is $______?