on a product that sells apples at 12 a kg.

1. What would the market price be if the government impose $3 tax on each kilogram sold?
2. Determine the total tax revenue that the government receives, tax incidence on the consumers and the tax incidence on the sellers.
3. Instead of using tax, the government alters their policy by providing a subsidy of $3 per kilogram sold, find the new market price after having this subsidy.