What type of curve best illustrates the law of demand? Group of answer choices s and quantity on the horizontal axis, a curve that slopes upward to the right (positive sloped curve) none of the above, a curve cannot be drawn to illustrate the law of demand With quantity of one product on the vertical axis and quantity of another product on the horizontal axis, a curve that slopes downward to the right (negative slope curve With price on the vertical axis and quantity on the horizontal axis, a curve that slopes downward to the right (negative sloped curve)