Please show the calculations

Consider the following two investments A and B with the following sequences of cash flows: Net Cash Flow A $100,000 $15,000 $15,000 $130,000 $120,000 $20,000 $20,000 $120.000 2 (41) If MARR is 15%, which alternative is acceptable? (a) Alternative A b) Alternative B c)Reject both alternatives d) Both alternatives A and B are equally preferable