Although GDP is a reasonably good measure of a nation's output, it does not necessarily include all transactions and production for that nation. Which of the following scenarios are either not accounted for or measured inaccurately by either the income or the expenditure methods of calculating GDP for the United States? Check all that apply. The costs of air and water pollution The variety of goods available to consumers Federal expenditures on military equipment The value of house cleaning services, when the house cleaner is paid in cash and the transaction isn't reported to the government When a U.S. company purchases and imports insulated wires from Germany to use to build light fixtures within the United States, this purchase increases the component of GDP while also net exports by the same amount. Therefore, the purchase of insulated wires from Germany causes in US GDP.