can you please explain me how to solve these questions? thanks :)

1. Considering the macroeconomic model of the labor market, a policy increasing competition in goods market A. Will increase real wages in the medium term Will leave unchanged real wages in the medium term B C. Will decrease real wages in the medium term D All above answer are wrong 2. When there is an increase in the reserve ratio A. The scal multiplier increases B The total amount of money remains constant C. The money created in a fractional banking system decreases D The money multiplier increases