Assume that $ 1 million worth of steel production in canada requires $ 100, 000 worth of lead with iron?

Assume that $ 1 million worth of steel production in canada requires $ 100, 000 worth of lead with iron. Canada's nominal tariff rates for importing these products are 20 percent for steel and 10 percent for lead with iron. Given this information, calculate the effective protection rate for the canadian steel industry.