某化妆品生产企业为增值税一般纳税人，2000年10月上旬从国外进口一批散装化妆品，关税完税价格为150万元，进口关税60万元，进口消费税90万元，进口增值税51万元。本月内企业将进口的散装化妆品的80%生产加工为成套化妆品7800件，对外批发销售6000件，取得不含税销售额290万元；向消费者零售800件，取得含税销售额51.48万元。该企业国内生产销售环节应缴纳消费税是（）。

A result that is most likely to give a financial manager concern that his firm’s credit policy may have become too lenient is.（）

A. inventory turnover has decreased considerably. 

B. accounts receivable as a percentage of sales has decreased. 

C. weighted average collection period has increased.