Positive risk is not a concern for Jason when defining the business case and associated risks, because positive risk is also known as opportunity, which is a potential benefit or gain for the organization. The other risks are potential threats or losses that could negatively affect the solution or the organization. According to the BABOK® Guide, a business case should include an assessment of the risks, costs, benefits, and impacts of the proposed solution, as well as the alternatives. References: BABOK® Guide, section 3.4.5.1; CCBA® Handbook, section 4.5.