Intro You bought Sumsung stock for $47 on April 1. The stock paid a dividend of $2 on July 1, and had a price of $55. It is now Oct. 1, and the stock price is $49. Treasury bills yield 1%. 18 - Attempt 1/10 for 10 pts. Part 1 What was the arithmetic average quarterly return? 3+ decimals Submit | Attempt 1/10 for 10 pts. Part 2 What was the standard deviation of quarterly returns? 3+ decimals Submit Attempt 1/10 for 10 pts. Part 3 What's your best guess for the Sharpe ratio of Samsung stock for the next quarter? 3+ decimals Submit