please explain. thank you

Draw two graphs, one directly above the other. On the upper graph, label the vertical axis [quantity of ] Good A and label the horizontal axis [quantity of ] Good B. On the lower graph, label the vertical axis the Price of good B and label the horizontal axis [quantity of ] Good B. 2 In the upper graph, show the income (oly) and substitution (otters) effects of an increase in the Price of good B when B is an inferior good. Draw the corresponding demand curve D2 for Good B in the lower graph (airbanks)