I need help with this equation. Please do this in excel.

You are given the followng informstan regarding prices for a sample of stocks. a. Construct an equal-weighted index by assuming $1,000 is invested in each stock. What is the percentage change in wealth for this portfolo? Do not round intermediste calcustons. Round your answer to two decimal ploces: b. Compute the percentege of price change for each of the stocks. Do not round intermediate calculations. Round your antwers to two decmal places. Stock A stock8 Stock C : Compute the arthmetic mean of thesen percentage changes. Do not round intermedate calculotions. Round your answer to two decimal ploces. c. Compute the geometnc mean of the percentage changes in Part b. Do not round intermedlate calculations. Round your answer to two decimal plecies