Sales are up this quarter, however, expenses have increased as w

Sales are up this quarter, however, expenses have increased as well.
【正确答案】：Sales are up this quarter. However, expenses have increased as well.
【题目解析】： 原句是两个单句，两个独立的单句不能用逗号连接，因此我们可以将其处理为两个独立的句子。