The large network purchases are done:.
a) before the vendor(s) are selected
b) before the RFP is sent out
c) after the RFP is sent out, but before the vendor(s) are selected
d) after the vendor(s) are selected
e) after the network has been implemented

The large network purchases are done "after the vendor(s) are selected".

Option: D

Explanation:

The large network is established when their are large number of or good amount of small networks, having similar objective and may be different sector. For an instance, a bank establishment occur generally when two or three individuals are having small banks in finance or insurance sector but when they combine together similar services are provided but merger took place to widen the network and work more efficiently. Large network can generate opportunity to work globally also, with better turnover and growth.

The large network purchases are done: after the vendor(s) are selected.

Vendors refers to the company or a person who sells particular goods to the manufacturers or the producers. All business highly depends on the vendors who provide them with the goods and services that are needed for the manufacturing of any product. Some of the vendor types includes suppliers, equipment manufacturers, those companies that supplies the raw materials and parts for nay business.

There are many steps in selecting right vendors of any business. Firstly we need to analyse the requirements of business and identify third party candidates of vendors. We need to evaluate all of them by assigning weights to them. They must be them invited for demo and then finally we need to select the worth one. The larger amount of purchases can be done only after the vendor(s) are selected.

drop shippers;

answer; (a) calling people who have not shown interest in the product and asking them to buy it;