Agrio Goods Manuf. Goods Mining Goods Services Tariff Rates 20% 40% 10% 10% Imports $40 Million $100 Million $40 million $20 Million The above table gives the nominal tariff rates for imports in a country for four types of imports. The simple unweighted average tariff rate is tari rate is a} 20%: 2?% b} 3% : 20% c) 23% : 20% d} 20%: 23% and the trade weighted