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.
A: The cost basis of any investment is the original value of an asset adjusted for stock splits, dividends and capital distributions. It is used to calculate the capital gain or loss on an investment for tax purposes.