9Demand LabourMedium1 markThe price of oil fell dramatically. As a result, 65 000 jobs were lost in the oil industry. How would this be represented on a diagram for the labour market for oil workers?Aa movement down the marginal revenue product curveBa shift towards the horizontal axis of the marginal cost curveCa shift towards the origin of the marginal revenue product curveDa shift towards the vertical axis of the average cost curveGrade answerSolutionGrading criteria