C) Do hardware purchases or salaries for IT workers demand a greater share of the total cost of the ownership of the IT infrastructure at a typical medium sized company? Why?

Yes, with increase in the need for IT, and the constant improvements in IT, there is a need to recruit Qualified IT professionals who are knowledgeable.

With new technologies developing with a fast pace,there will be a constant need to invest in IT hardwares in order to meet with the increasing challenges.

Explanation:IT(Information technology) is a term used to describe the processes through Information is sent from one point to another through one or more media.

The field of Information technology is constantly evolving with several improvements taking place around the globe, Medium sized companies will need to constantly make expenditures on both the IT infrastructures and the IT professionals both as permanent employees or as contracted experts.

Yes

Explanation:

Information technology based companies focus on the need to provide reliable, constantly available and secure information network systems. The industry is fast growing with high-speed communication systems and storage infrastructure.

The need for high performance hardware devices to meet the requirements of the high speed networks and storage and security also requires experienced network administrators and infrastructural engineers to implement and maintain the daily functionalities of the company's network, which would demand a greater share of ownership cost.

i think the answer is a or d