Jawabanmu

2014-03-19T18:14:58+07:00
Harga beli = 20 × 12.000 = 240.000
harga jual = (240.000 - 20.000) ÷ (20 - 4) = 220.000 ÷ 16 = 13.750
2014-03-19T18:19:02+07:00
20 x 12.000 = 240.000 - 20.000 = 220.000/16 = 13.750