Riga Software is a small software development company with $10$ employees. They

have just been hired to write several programs for a company that must be compiled for

and tested on multiple different operating systems. Because of this new project, they have

just hired $2$ new programmers bringing their employee total to $12$ people. They have

decided it is time to upgrade their network configuration from a Workgroup to a Domain

and they need to purchase a server to use for their software testing server.

$-$ a$.$ Select the appropriate edition of Windows Server $2012$ R$2$ for this company's

upgrade to a Domain environment. Explain your choice.

$-$ b$.$ Explain which roles should be installed on their new server and what each of the

roles will do for their company.

$-$ c$.$ Select the appropriate edition of Windows Server $2012$ R$2$ for this company's

software testing server. Explain your choice, and briefly describe how you might

set up this server for testing software on multiple operating systems.

Clearly label your answers.