please answer a and b

You hear on the news that the S3P 500 was down 1.2% today relatve to the risk-free rate (the markefs excess return was - 1.2% ). You are thinking about your portfolio and your investments in Hewlett Packard and Proctor and Gamble. a. If Hewlett Packards beta is 1.3, what is your best guess as to Hewlett Packards excess retum today? b. If Proctor and Gamble's beta is 0.6, what is your best guess as to PBG's excess retum today? a. If Hewett Packards beta is 1.3, what is your best guess as to Heweth Packard's excess return today? Hewheti Packard's excess retum todoy is k. (Round to one decimal place)