Kara owns a company that makes jackets. Her company is doing well and she's considering expanding by hiring more employees. However, she knows that if she hires more employees and increases her production, she will have to cut prices in order to sell more jackets. This is a good example of: Why Marginal Resource Cost is a horizontal line Why machinery is not a good substitute for high-skill labor Why marginal revenue product is upward sloping Why labor demand slopes down