An airplane company which has diversified into a number of other related activities such as tourism. If the airplane company divested itself of all other activities and planned to focus on its core business, its beta, based on the observed beta of another airplane companies with similar financial structure, is expected to be 1.5. It the tax rate is 0.2 for this industry and the debt to equity ratio is 0.4, what is the new business risk following the divestment of business?