How should an associate display the sum of all closed won Opportunity amounts at the Account level?

An organization wants to implement Salesforce into its business model. The requirements include:
* Operations management
* Program management
* Grantmaking
* Fundraising
* Marketing
* Engagement
Which cloud is preconfigured to handle all of these requirements?

A Salesforce associate is asked to review all the objects within their company's instance. They also need to identify which are custom objects.
Where should the associate go to see this information?

The salesforce account executive for Get Cloudy Consulting's (GCC) advises the company to use United Clouds to assist with its transition to using Salesforce as its CRM. GCC also plans to add an app in salesforce from Connected Mail.
What is the role of each of these companies?