Problem 7-21 Stock betas Consider the following information: Stock Return if Market Return Is: Stock -10% 10% A 0 8 B -8 18 -28 30 D 13 11 E 16 -8 What is the beta of each of the stocks? (Leave no cells blank - be certain to enter "O" wherever required. Use decimals, not percents, in your calculations. A negative value should be indicated by a minus sign. Round your answers to 1 decimal place.) Stock Beta A B C D E