The U.S. dollar is backed by gold

As a firm moves to higher isocost lines

A) its input price ratio increases. B) its profits increase. C) its total cost increases. D) its revenue increases.

The income approach to measuring GDP involves adding up the following ________

A) household income and income generated by firms B) private spending, tax revenues and government spending C) transfer payments and income taxes D) interest income, profits and social security benefits E) wages, benefits and interest income