J. convicted of K.'s murder for selfish motives

Zh. Was convicted of killing K. for mercenary motives committed under the following circumstances: while drinking alcohol, K. asked Zh. To kill him and, thereby, relieve the suffering caused by the progressive cancerous tumor, for which he provided his hunting rifle. J. and K. came to the forest, where J. killed the victim with two shots fired at the heart. Then J. searched K.´s pockets, took the money and left the scene of the crime.
Qualify deeds J.