uantity of Labor Use the graph to answer the question about the labor resource market faced by 22 producers of good X. What will shift D , to D 2? 25 O a) a decrease in the price of a substitute input (if output effect > substitution effect) O b) a decrease in the price of a substitute input (if substitution effect > output effect) O c) an increase in the price of a complementary resource effect) O d) an increase in the price of a substitute input (if output effect > substitution