untung=37.500 Presentase untung= 15% Pembelian? Penjualan? Rugi= 15.000 Presentase rugi= 10% Pembelian? Penjualan?

1.Untung 5% = 37.500 ÷ 3 = 12,500

Penjualan (total) = 12,500 x 20 = 250,000
Pembelian = 250,000 - 37,500 =212,500

2. Pembelian = 15,000 x 10 = 150,000
Penjualan = 150,000 - 15,000 = 135, 000