The cost of producing a car engine in Country X is 10% lower than that of Country Y. Even with tariffs and transportation costs, importing a car engine from Country X is still cheaper than producing it in Country Y. Can we know from this? ['Labor costs in country X are 10% lower than in country Y.', 'Tariffs for importing automotive engines from country X are less than 10% of production costs in country Y.', 'The cost of a car engine by country X is higher than 10% of the cost of building a car engine in country Y.', 'The cost of producing a car engine from country X is 10% of country Y.']