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.
Save. Cost basis is a measure of the amount of the original investment in a stock or other asset. It is often used to calculate capital gain or loss, especially for tax purposes. The gain or loss is the price which the asset was sold at minus the cost basis.