b$.$ Determine the operating cash flow $($OCF$)$ for Kleczka, Inc., based on the following data. $($All values are in thousands of dollars.$)$ During the year the firm had sales of $$2,500,$ cost of goods sold totaled $$1,800,$ operating expenses totaled $$300,$ and depreciation expenses were $$200.$ The firm is in the $35\%$ tax bracket.