Are the following statements about balance sheet fro-mats correct or incorrect Statement 1: The presentation formats of balance sheets vary from company to company. Statement 2: A classified balance sheet cannot follow an account format. Statement 1 Statement 2（） ①A. Correct Correct ②B. Incorrect Incorrect ③C. Correct Incorrect

A．① 

B．② 

C．③

下列不是服务不佳的潜在因素的是（）

A.不知服务的精髓

B.不知服务的好处

C.不知为谁服务

D.不知服务的态度