Rock Haven has a proposed project that will generate sales of 1,860 units annually at a selling price of $32 each. The fixed costs are $17,900 and the variable costs per unit are $9.95. The project requires $34,000 of fixed assets that will be depreciated on a straight-line basis to a zero book value over the 4-year life of the project. The salvage value of the fixed assets is $8,900 and the tax rate is 21 percent. what is the operating cash flow?