Making Rosewood plank (Plank Make + Sawmill voucher)

Making Rosewood plank (Plank Make + Sawmill voucher) in OSRS: 1 × Rosewood logs, 1 × Nature rune, 2 × Astral rune, 15 × Earth rune, 1 × Sawmill voucher + 5,250 coins → 2 × Rosewood plank. Profit right now: +424 gp after GE tax (input cost 8,752 gp).