Ư, (δ) ѱ ȸü ϵ (δ) ÿϰ ǵ ִ ϰ ִ. Ư ȵó 498 δ翡 θ Ȯϰ, δ翡 ƴ. ȵó 498 δ Ŵ 20% εǾ ó 뿡 δ 氨 δ. , 10 ûǴ δ ̶, (20%) Ǿ ʹ 8 û. Ư ŵ (δ) ÿϰ ϰ ȴٸ鼭, ε ູ ּ ϰڴٰ ߴ.