Review Integrative Case 13.1. Walmart (see Chapter 13 and Chatpet 12 attached),

Review Integrative Case 13.1. Walmart (see Chapter 13 and Chatpet 12 attached), answer the following questions from the text: 
Use the CAPM to compute the required rate of return on common equity capital for Walmart.
Derive the projected residual income for Walmart for Years +1 through +6 based on the projected financial statements.
Using the required rate of return on common equity from Requirement a as a discount rate, compute the sum of the present value of residual income for Walmart for Years +1 through +5.
Using the required rate of return on common equity from Requirement a as a discount rate, and assuming a 3.0% long-run growth rate, compute the continuing value of Walmart as of the start of Year +6 based on Walmart’s continuing residual income in Year +6 and beyond. After computing continuing value as of the start of Year +6, discount it to present value at the start of Year +1.
Compute the value of a share of Walmart common stock.
Compute the total sum of the present value of all future residual income (from Requirements c and d).
Add the book value of equity as of the beginning of the valuation (that is, as of the end of fiscal 2020, or the start of Year +1).
Adjust the total sum of the present value of residual income plus book value of common equity using the midyear discounting adjustment factor.
Compute the per-share value estimate.
Please answer this last question. 
In the context of earnings-based valuation methods, how do you believe companies should navigate the balance between emphasizing short-term profitability and sustaining long-term value? Submit your answer in word, or excel. 
See the PDF Textbook and files atatched.