Z Space, Incorporated, is a new company and currently has negative earnings. The company's sales are $2.9 million and there are 148,000 shares outstanding. a. If the benchmark price-sales ratio is 6.8, what is your estimate of an appropriate stock price? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. What if the price-sales ratio, were 6.0 ? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)