Please answer correct explain plz asap plz

Don't answer by pen paper plz

Suppose in the country Steelland the GST is 5%. Production of steel involves two stages, first mining iron ore and then making steel out of iron ore. Suppose in 2006 the miners sold the iron are they produced for $10,000, and the steelmakers sold the steel they produced for $36,000. The miners paid 3 of GST and steel makers paid $ of GST. {Round your responses to the nearest dollars.)