AMD stock price at the end of 2021 was \$30.8. up 10\% from last year. During 2020. AMD stock price declined 30\%, No dividends were paid. Required a. Calculate AMD stock price beginning of 2020. Explain! b. Calculate the average annual return for an investor who bought AMD stock at the beginning of 2020 and sold it at the end of 2021 (a two-year period) and explain exactly what it means? Use the dhicor to younowour moskert Question 3