You bought 1 share of stock for $44.17 three months ago, just received a dividend of $2.05 per share, and can sell the stock for $49.50 per share today. What was the stock's dividend yield over, the past three months (from 3 months ago to today)?(Round the value to 100th decimal and Please enter the value only without converting it to a decimal format. If the answer is 8.55%, enter 8.55)