Tim Waters,the COO of BioDerm, has asked his cost management team for a product-line profitability analysis for his firm's two products, Xderm and Yderm. The two skin care products require a large amount of research and development and advertising. After receiving the following statement from BioDerm's auditor, Tim concludes that Xderm is the more profitable product and that perhaps cost-cutting measures should be applied to Yderm.