graph to answer the question. Wage rate in dollars is plotted with number of unskilled workers. Points are graphed to form ascending line S at $5, 20 thousand workers; $6, 30 thousand workers; and $7, 40 thousand workers. Line D is descending through points $7, 20 thousand workers; $6, 30 thousand workers; and $5, 40 thousand workers. Lines S and D bisect each other at $6, 30 thousand workers. The question is: At a wage of $7, there will be a blank of unskilled workers equal to blank thousand workers. At a wage of $7, there will be a __________ of unskilled workers equal to __________ thousand workers