Making Black dragon leather (Tan Leather spell)

Making Black dragon leather (Tan Leather spell) in OSRS: 5 × Black dragonhide, 1 × Nature rune, 2 × Astral rune, 5 × Fire rune → 5 × Black dragon leather. Profit right now: +1,579 gp after GE tax (input cost 15,471 gp).