Any output combination along a production possibility frontier is associated with overused or unattainable resources

If a tax is progressive, then:

A. The average and marginal tax rates are always equal B. As the tax base increases, the marginal tax rate declines C. As the tax base rises, the average tax rate is greater than the marginal tax rate D. As the tax base increases, the marginal tax rate is greater than the average tax rate

Changes in business inventories are excluded from the definition of investment in the national income accounts.

Answer the following statement true (T) or false (F)