Early in the development of a new product line, the critical resource is talent. New marketing ventures require a degree of managerial skill disproportionate to their short-term revenue prospects. Usually, however, talented managers are assigned only to established high-revenue product lines and, as a result, most new marketing ventures fail. Contrary to current practice, the best managers in a company should be assigned to development projects. Which one of the following, if true, most strengthens the author's argument? ["For most established companies, the development of new product lines is a relatively small part of the company's total expenditure.", 'Early short-term revenue prospects of a new product line are usually a good predictor of how successful a product line will ultimately be.', "The current revenue and profitability of an established product line can be maintained even if the company's best managers are assigned elsewhere.", 'The more talented a manager is, the less likely he or she is to be interested in undertaking the development of a new product line.']