Can I get an answer with explanations?

2i (9 pts) Suppose that a country experiences a reduction in productivitythat is, an adverse shock to the production function. at What happens to the labor demand curve? (Represent it graphically) b How would this change in productivity affect the labor marketthat is, employment, unemployment, and real wagesif the labor market is always in equilibrium? (Represent it graphically) or How would this change in productivity affect the labor market if unions prevent real wages from falling? (Represent it graphically)