Answer:
A. the larger the share of labor costs in total costs and the greater the price elasticity of demand for output.
Step-by-step explanation:
In the case when there is the change in the wage rate so the output impact on the demand of the firm with respect to the labor input should be greater. And, if the share of the labor cost should be greater in the total cost also at the same time the price elasticity of demand with regard to the output is higher
Therefore the option A is considered