In computing the cost of capital, which sources of capital should be considered? Why do firms calculate their weighted average cost of capital? As the financial manager for your company, explain how you would use the cost of capital of your firm, or a firm you are familiar with, to determine the required rate of return on investment opportunities. Search the internet for an academic or industry-related article. Select an article that relates to cost of capital and doing business in Saudi Arabia. For your discussion post, your first step is to summarize the article in two paragraphs describing what you think are the most important points made by the authors.