Th e ke y determinan t o f th e standar d o f livin g i n a countr y is
A.
th e amoun t o f good s an d service s produce d fro m eac h hou r o f a worker' s time.
B.
th e tota l amoun t o f good s an d service s produce d withi n th e country.
C.
th e tota l amoun t o f it s physica l capital.
D.
it s growt h rat e o f rea l GDP.