(Consider This) During the Great Recession of 2007-2009, Both Real

(Consider This) During the Great Recession of 2007-2009, both real interest rates and investment spending declined.This suggests that

A) the investment demand curve was positively sloped during this period.
B) purchases of capital from abroad increased, and these were not reflected in investment spending figures for that period.
C) firms were optimistic about future sales.
D) the investment demand curve shifted inward.Topic: Shifts of the Investment Demand Curve Topic: The Interest-Rate-Investment Relationship