NO.PZ2018062004000003
问题如下：
An analyst who wants to find whether a firm has gain or loss over the last financial period should use
选项：
A.
balance sheet
B.
income statement.
C.
cash flow statement
解释：
The income statement reports on the financial performance of the firm over a period of time. The key elements in income statement include revenue, expense, and gain/loss.
如何区分现金流量表还是损益表
