Accessible descriptiоn: The figure belоw shоws а lineаr budget line, where the quаntity of pickles is on the y-axis (pounds per year) and quantity of olives is on the x-axis (pounds per year). The budget line slopes downward, and one labeled point lies along the line: point A (3, 4). Also displayed is a convex indifference curve labeled I1. f1q36g1.jpg In the figure above, the marginal rate of substitution ( MRS) at point A is equal to ________ pounds pickles per pound of olive.