(Related to Checkpoint 7.1) (Expected rate of return and risk) B. J. Gautney Enterprises is evaluating a security. One-year Treatury bils are currenty paying 4.3 percent. Calculate the investment's expected retum and its standard deviation. Should Gautnoy invest in this security? (Click on the icon th in order to copy its contents into a spreadsheet.) a. The investmenks expected retum is 3.5% (Round to two decimal places.) b. The investmenks standard deviation is 2. (Reund to two decimal ploces)