In the Intertemporal Budget Constraint $f _ { \text {future } } - f _ { \text {todoy } }$

Multiple Choice

In the intertemporal budget constraint, $f _ { \text {future } } - f _ { \text {todoy } }$ is:

A) equal to future borrowing
B) today's saving for the future
C) equal to zero
D) the rate of return on financial wealth
E) future savings