Given that a put on a stock with a strike price of $ 60 is priced at $ 5 per share, while a call with a strike price of $ 60 is priced at $ 8. Find out the maximum per share loss and the maximum per share gain to the writer:Maximum loss to put writer Maximum gain to the call writer()

A. $55 $8

B. $52 $6

C. $52 $8

我国《政府采购法》明确规定，采购人采购货物或者服务应当采用公开招标方式的，其具体数额标准，属于中央预算的政府采购项目，由（）规定。

A.财政部

B.公安部

C.国务院

D.全国人民代表大会