Figure $3-3$ Good $x$ Refer to Figure $3-3.$ A movement from point $W$ to point $Z$ would have been the result of a$.$ a decrease in the number of buyers in the area where good $Y$ is being sold. b$.$ a reduction in the price of good $Y.$ c$.$ an increase in the number of buyers in the area where good $Y$ is being sold. d$.$ an increase in the price of good $Y.$