Based on the table above, what is the marginal revenue of the tenth unit of output?

The long-run trend of real wages:

A. cannot be determined from available data on nominal wages and the price level. B. has been downward because the price level has risen faster than nominal wages. C. has been upward. D. has been downward because labor's share of the domestic income has fallen.

When a Japanese company buys a U.S. software company, this transaction will be a:

A. Credit on the current account of the U.S. balance of payments B. Debit on the current account of the U.S. balance of payments C. Credit on the financial account of the U.S. balance of payments D. Debit on the financial account of the U.S. balance of payments