Can you please help me? Ill rate! I need help understanding how to do this.

Your goal is to purify protein B. Based on information given in the table, which strategies would work best for the elimination of correct contaminants and purification of your target protein. Gel filtration at pH of 6.0 to eliminate protein C Gel filtration at pH of 6.0 to eliminate protein A Cation exchange pH6.0 to eliminate protein A Anion exchange pH6.0 to eliminate protein A Cation exchange pH6.0 to eliminate protein C