Suppose the domestic U.S. beta of IBM is 10, and that the expected returns on the U.S. market portfolio and the world market portfolio are both 10 percent, and that the U.S. T-bill rate is 6 percent. If the world beta measure of IBM is 0.7 then we can say That if the US markets are fully integrated with the rest of the world, IBM's cost of equity capital would be one-third lower than it u.s. markets were segmented No sufficient information is availablo. That if the US markets are fully integrated with the rest of the world. IBM's cost of equity capital would be 13.64% lower than if U.S. markets were segmented That it the U.S. markets are fully integrated with the rest of the world. IBM's cost of equity capital would be 12% lower than if US markets were segmented