Which of the following stock return series has the least of amount of noise and is best suited to beta estimation when using a sample size of 60 observations? Daily returns Weekly returns Monthly returns Annual returns Decade returns You are valuing a company that has a December 31 financial year end. It is now June 2007. Assuming your company publishes its 10-Q within 2 weeks of the end of the quarter, how many quarters of activity must you forecast when estimating the end of 2007 net income? 1 2 3 4 5