Which of the Following Is True About Business-To-Business E-Procurement

Which of the following is true about business-to-business e-procurement?

A) E-procurement increases transaction costs for suppliers.
B) Because of an overwhelming demand, e-procurements usually have a huge time gap between order and response.
C) Many buyers now use the power of the Internet to pit suppliers against one another and search out better deals, products, and turnaround times on a purchase-by-purchase basis.
D) E-procurement doesn't enhance customer-supplier relationships.
E) Due to extensive paperwork, the relatively important strategic issues, such as finding better supply sources and working with suppliers to reduce costs and develop new products, are sidelined.