https://zh.paraquee.com/post/which-of-the-following-concepts-related-to-amortization-is-not-appropriate-a-an-enterprise-usually-uses-the-straight-line-method-for-amortization-b-when-amortization-is-performed-an-enterprise-can-directly-credit-intangible-assets-c-when-amortization-is-performed-an-enterprise-can-directly-credit-accumulated-amortization-d-all-intangible-assets