Operating cash flow. Grady Precision Measurement Tools has forecasted the following sales and costs for a new GPS system: annual sales of 40,000 units at $24 a unit, production costs at 40% of sales price, annual fixed costs for production at $160,000, and straight-line depreciation expense of $190,000 per year. The company tax rate is 35%. What is the annual operating cash flow of the new GPS system? What is the annual operating cash flow of the new GPS system