International reserves include all except one of the following. Which is the exception?

Bobby's neighbor is growing a tree that is blocking Bobby's ocean view. Bobby is considering taking his neighbor to court. To Bobby, the tree represents a(n)

a. unclear property right b. public good c. free-rider good d. positive externality e. negative externality

Refer to the diagrams. Curve A:

A.  is an investment schedule and curve B is a consumption of fixed capital schedule.
B.  is an investment demand curve and curve B is an investment schedule.
C.  and curve B are totally unrelated.
D.  shifts to the left when curve B shifts upward.