An ounce of gold is sold for $4,000

And the selling prices of gold in Kabul are as follows
A gram of Qatari gold is 8600 Afghanis
One gram of Algerian gold is 8600 Afghanis
A gram of Egyptian gold is 8600 Afghanis
One gram of Arabic gold is 7230 Afghanis
7230 Afghani per gram
One gram of Iranian gold is 5800 Afghanis