May be associated with the presence of sodium in drinking water when present in high concentrations. Often from saltwater intrusion, mineral dissolution, industrial and domestic waste. Deteriorates plumbing, water heaters, and municipal water-works equipment at high levels.
Cost basis is the original price paid for shares of a security plus or minus certain adjustments required by applicable tax rules such as adjustments with respect to reinvested distributions and sales charges.
Cost Basis. Cost basis is the original value of an investment, adjusted for stock splits, certain types of dividends, and return of capital distributions. An investment's original value is usually just the initial purchase price of that investment.