Based on the VRIO framework, a resource can be considered a source of competitive advantage if it: a. increases the cost of producing the product and, therefore, the price charged to customers. b. is kept as a trade secret rather than as a patent. c. is shared by most companies in an industry. d. is the foundation of a company's strategic plan. e. is rare, valuable, difficult to imitate, and organized or managed by the company. Based on the VRIO framework, a resource can be considered a source of competitive advantage if it: a. increases the cost of producing the product and, therefore, the price charged to customers. b. is kept as a trade secret rather than as a patent. c. is shared by most companies in an industry. d. is the foundation of a company's strategic plan. e. is rare, valuable, difficult to imitate, and organized or managed by the company