並前往https://savings.pixnet.net/blog/post/21491879-%E5%85%AD%E5%B9%B4%E5%84%B2%E8%93%84%E9%9A%AA%E5%8F%B0%E5%B9%A3irr%E5%88%86%E6%9E%90-%E9%83%B5%E5%B1%80%E5%85%AD%E5%B9%B4%E6%9C%9F%E5%90%89%E5%88%A9%E4%BF%9D%E9%9A%AA%282