A project manager hires a resource to develop a website. The resource abruptly quits without completing the work, and the project manager must hire another resource to complete the job. The newly hired resource changes the website’s design, which overrides the original design.How should the cost associated with the first resource’s work be described? 项目经理聘请一位资源开发一个网站。该资源在没有完成工作的情况下突然离职，项目经理必须聘请另一位资源来完成这项工作，新聘请的资源更改网络设计，覆盖了原有设计。应如何描述与第一位资源工作相关的成本？ ◑A. Indirect cost间接成本 ◑B.Direct cost直接成本 ◑C.Sunk cost沉没成本 ◑D.Variable cost可变成本
