Apple issues dividend every quarter (see more information below). (a) The close prices on August 6, 2021 and May 6, 2022 is $146.14 and $157.28. What is Apple's stock return? And what is the growth rate of dividend implied by current stock price? (b) In the wake of the Amazon Labor Union's historic victory this spring, the first-ever U.S. union election at an Apple retail store is slated for early June. Given this news, the expected growth rate of dividend over the next 13 years will be 11% and reduce to 7% after that. Assume the required rate of return is 10%, estimate the stock price on May 6, 2022. (use the dividend information from (a))