The following graph shows the labor market for research assistance in the fictional country of collegia. the equilibrium wage is $10 per hour, and the equilibrium number of research assistance is 250. suppose the government has decided to institute of four dollars per hour payroll tax on research assistant and is trying to determine whether the text should be levied on the employer, the workers, or both. suppose the government is concerned that research assistance already make too little money and therefore wants to minimize the share of the tax paid by employees. of the three tax proposals which is best for accomplishing this goal?