English-speaker, someone from a country that speaks english i.e. Britain, US; originating from term (Anglo) referring to early northern european peoples. He is an anglophone.
The Council On State Taxation (COST) is the premier state tax organization representing taxpayers. COST is a nonprofit trade association consisting of more than 600 multistate corporations engaged in interstate and international business. COST's objective is to preserve and promote equitable and nondiscriminatory state and local taxation of multijurisdictional business entities.
Average cost. In economics, average cost and/or unit cost is equal to total cost divided by the number of goods produced (the output quantity, Q). It is also equal to the sum of average variable costs (total variable costs divided by Q) plus average fixed costs (total fixed costs divided by Q).