(Related to Checkpoint 7.1) (Expected rate of return and risk) B.J. Gaulney Entorprises is evaluating a security. Ope-year Treasury bils are curreney paying 6.0 percent. Calculate the investment's expocted rotum and its standard deviation. Should Gautnoy invest in this security? (Click on the koon D. in order to copy ate contents info a spresdsheot) a. The investmenfs expected retum is K. (Roind to two decimal places)