You hear on the news that the S8P 500 was down 2.3% today rolatve to the risk-freo rale (the markor's excess return was 2.3% ). You are thinking about your porticlio and your investments in Hewlett Packard and Proctor and Gamble a. If Hewlett Packard's bota is 1.6 . whot is your best guess as to Hewlett Packard's excess return today? b. If Proctor and Gamble's beta is 0.3 , what is your best guess as to Proctor and Gamble's excess return foday? a. If Hewett Packard's bota is 1.6 , what is your best guess as to Hewlet Packard's excess teturn fodar? Hewlett Packard's excoss return todiay is W. (Round to one decimal place.) b. If Proctor and Gamble's beta is 0.3 , what is your best guess as to Proctor and Gamble's excess retum today? Proctor and Gamble's excess retum loday W. (Round to one decimal place.)