Q 1 ) What is the total percentage return for an investor who purchased a stock for $8. 15 , received $1 . 46 in dividend payments , and sold the

Please help me with solving these financial questions, if you can show your work thatd be awesome because im struggling with these. thanks for your help

Q 1 ) What is the total percentage return for an investor who purchased a stock for$8. 15 , received $1 . 46 in dividend payments , and sold the stock for $7 . 17 ? ( 2points )FIRST NAMELAST NAMELandonGraves2.2 ) A stock had the following annual returns :"13.90 % , 26. 73% , 27.58% , and 19.46 % .What is the stock's : a ) expected return ? ( 1 point )What is the stock's : b ) variance ? ( 1 point )What is the stock's :"C ) standard deviation ? ( 1 point )INSTRUCTIONSQ 3 ) A stock has monthly returns of 12.40% , - 01 . 37% , 19 . 70% , and 28. 88% .What is the stock's geometric average return ? ( 2 points )When inputting an answer , round your answer to the nearest 2 decimal places ( for VARIANCE roundQ 4 ) A stock has an expected return of 08. 96% and a standard deviation ofto 4 decimal places ) . If you need to use a calculated number for further calculations , DO NOT round09. 86% . For this stock , what are the :*until after all calculations have been completed . For the final answer , Round to 2 decimal places ( fora ) Upper range of 68% confindence interval ( 0 . 5 points )VARIANCE round to 4 decimal places ) .b ) Lower range of 68% confindence interval : ( 0 . 5 points )C ) Upper range of 95% confindence interval : ( 0 . 5 points )d ) Lower range of 95% confindence interval : ( 0. 5 points )@ ) Upper range of 99% confindence interval : ( 0. 5 points )$ ) Lower range of 99 % confindence interval : ( 0. 5 points )