a. 10.03% if the beta of the stock is 0.72. b. 11.51% if the beta of the stock is 0.87. c. 13.69% if the beta of the stock is 1.09. d. 15.08% if the beta of the stock is 1.23. on the cost of equity by waiting six months, using the four different betas? What do you notice about the increases in the cost of equity as beta increases? a. What is the new cost of equity if the beta of the stock is 0.72? % (Round to two decimal places.) b. What is the new cost of equity if the beta of the stock is 0.87? \% (Round to two decimal places.) c. What is the new cost of equity if the beta of the stock is 1.09 ? \% (Round to two decimal places.) d. What is the new cost of equity if the beta of the stock is 1.23 ? \% (Round to two decimal places.) What do you notice about the change in the cost of equity as beta increases? (Select the best response.) increasing rate as beta increases. increases