Pertemuan 1 Kesimpulan : Rumus Untung U = HJ-HB = HJ>HB Rumus %untung untung %untung= X 100% HB Rumus Rugi R = HB – HJ = HB>HJ Rumus %Rugi rugi %Rugi = X 100% HB Rumus Impas I =HB=HJ 6