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 is the price paid for an asset. It is also called tax cost, because it is an amount that has to be on record for tax purposes for when the asset sells. Cost basis applies to any type of asset, such as marketable securities like stock and bonds, real estate, fine art, jewelry and antiques.