Dietary fiber is the edible parts of plants or analogous carbohydrates that are resistant to digestion and absorption in the human small intestine, with complete or partial fermentation in the large intestine. Dietary fiber includes polysaccharides, oligosaccharides, lignin, and associated plant substances.
The theoretical rate of return attributed to an investment with zero risk. The risk-free rate represents the interest on an investor's money that he or she would expect from an absolutely risk-free investment over a specified period of time. Next Up.
Ra equals return on assets, which is the same as unlevered cost of capital. For example, a company with an unlevered beta of 0.95 would have an unlevered cost of capital of 11.2 percent when the risk-free rate is 3.6 percent and the market risk premium is 8 percent: 0.036 + 0.95(0.08) = 0.112, or 11.2 percent.