If We Represents a Two-Period Consumer's Lifetime Wealth And $r$ Denotes the Real Rate of Interest, the Slope of the Denotes

Multiple Choice

If we represents a two-period consumer's lifetime wealth and $r$ denotes the real rate of interest, the slope of the consumer's budget line is equal to

A) $- \frac { 1 } { ( 1 + r ) }$ .
B) $- \frac { r } { ( 1 + w e ) }$ .
C) $r ( 1 + w e )$ .
D) $r \times$ we.
E) $- ( 1 + r )$ .