you need to have access to bloomberg if not please show me how to calculate

In Bloomberg, go to the BETA, EQRP and WACC functions for Google (GOOG) \& Costco (COST). In the appropriate spaces below, record the data you retrieved from Bloomberg. In the green box underneath, please comment on the differences in risk between the two companies as reflected in their respective Required Rates of Return and Weighted-Average Costs of Capital. Explain why these are different and how the sectors in which these companies operate affect these differences