A firm has net sales of $29,000, costs of goods sold of $9,000, selling, general and administrative expenses of $7,000 (of which $2,000 are depreciation expenses), and taxes (in cash) of $3,000. What is this firm's operating cash flow (using the traditional or direct method)? O $4,000 O $12,000 O $6,000 47 O $8,000 O None of the options is correct