Figure 17-1

Figure 17-1.On the horizontal axis,K/L represents capital (K) per worker (L) .On the vertical axis,Y/L represents output (Y) per worker (L) .
-Refer to Figure 17-1.Choose a point anywhere on the curve and call it point A.If the economy is at point A in 2011,then it will definitely remain at point A in 2012 if,between 2011 and 2012,

A) the quantity of physical capital remains constant; the number of workers doubles; and human capital,natural resources,and technology all double as well.
B) the quantity of physical capital doubles; human capital,natural resources,and technology all double as well; and the number of workers remains constant.
C) the quantity of physical capital doubles; the number of workers doubles; and human capital,natural resources,and technology all double as well.
D) the quantity of physical capital doubles; the number of workers doubles; and human capital,natural resources,and technology remain constant.