11. Operating cash flow. Grady Precision Measurement Tools has forecasted the following sales and costs for a new GPS system: annual sales of 48,000 units at $18 a unit, production costs at 37% of sales price, annual fixed costs for production at $180,000, and straight-line depreciation expense of $240,000 per year. The company tax rate is 35%. What is the annual operating cash flow of the new GPS system