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.
The IRS defines the cost basis of the virtual currency as its fair market value when it was received.[16] So if the donor was paid Bitcoin worth $500 for professional services, and that Bitcoin later appreciated to $1,000 USD, the donorâs charitable income tax deduction would be limited to $500, or cost basis.