Making Amulet of glory (Cosmic rune, Water rune, Earth rune)

Making Amulet of glory (Cosmic rune, Water rune, Earth rune) in OSRS: 1 × Dragonstone amulet, 1 × Cosmic rune, 15 × Water rune, 15 × Earth rune → 1 × Amulet of glory. Profit right now: +521 gp after GE tax (input cost 10,259 gp).