Consider a Graph with Yvonne's Income on the Y-Axis and Xavier's

Multiple Choice

Consider a graph with Yvonne's income on the Y-axis and Xavier's income on the X-axis.Yvonne has twice as much income as Xavier.If Yvonne cares about the material well-being of Oscar,and considers the latter's income as an economic good,the slope of Yvonne's budget line relating her income to Xavier's income would be _____.

A) -1
B) -2
C) -1/2
D) -4