Please show me how to work out this problem so I can understand. Thank you

Consider two mutually exclusive projects with year-end cashflows as shown. At a MARR of 12%, which project would be worth pursuing using the concept of incremental IRR. 0 ($122,000) ($99,000) $53,000 $54,000 $76,000 $64,000 $24,000 $12,000 $34,000 $22,000 2 4 Project X Project Y Either would be fine Cannot be deduced