Making Plank (Plank Make + Sawmill voucher)

Making Plank (Plank Make + Sawmill voucher) in OSRS: 1 × Logs, 1 × Nature rune, 2 × Astral rune, 15 × Earth rune, 1 × Sawmill voucher + 70 coins → 2 × Plank. Profit right now: -2,980 gp after GE tax (input cost 3,214 gp).