In the above table, what is marginal product of labor for the 5th worker?

A country has a current account surplus if

A) the value of its exports exceeds the value of its imports, assuming net income from foreign assets and net unilateral transfers have a value of zero. B) the value of its net exports of services exceeds the value of its net exports of goods. C) it receives more income from foreign assets than it pays to foreigners for foreign-owned domestic assets. D) its capital inflows exceed its capital outflows.

Historical note: Most of the failures (per year) of thrift institutions, such as savings and loan associations, occurred in

a. the late 1950s b. the early 1970s c. 1945 d. 1980–1982 e. 1988–1991