Making Combat bracelet (Cosmic rune, Water rune, Earth rune)

Making Combat bracelet (Cosmic rune, Water rune, Earth rune) in OSRS: 1 × Dragonstone bracelet, 1 × Cosmic rune, 15 × Water rune, 15 × Earth rune → 1 × Combat bracelet. Profit right now: +400 gp after GE tax (input cost 11,360 gp).