Suppose there is only one firm in the labour market. Its marginal revenue product of labour is 100-2L, and the supply of labour is given by L^S=0.25W-1.

R. Give the simplified marginal cost of labour formula for this firm.

This firm will choose employment level__________ .

If the union wants higher wages than this firm will naturally offer, the highest level of employment it can achieve by fixing a "minimum wage" is_______

If the union is able to behave as a monopoly union and it hasMRS_L,w=0.25W/L, then the employment level will be_________ .