graph to answer the question. Price in dollars is plotted with quantity of units. Points are graphed to form ascending line S at $2, 10 units; $4, 15 units; and $6, 20 units. Line D is descending through points $6, 10 units; $4, 15 units; and $2, 20 units. Lines S and D bisect each other at $4, 15 units.A price of $4 in the market will result in Group of answer choices A shortage of 10 units A surplus of 10 units A surplus of 5 units No shortage or surplus