Which solution should you recommend?

You are the Office 365 Administrator for your company.

You plan to implement a collaboration platform for a company. All 1,000 employees currently use Excel 2010.

You have the following requirements:

-All employees must be able to co-author Excel workbooks.

-You must minimize the costs associated with any solution.

You need to recommend a solution.

Which solution should you recommend?
A . Implement SharePoint 2013 with Excel Services.
B . Purchase an Office 365 Small Business subscription.
C . Implement SharePoint Online and continue using Excel 2010.
D . Purchase an Office 365 Enterprise El subscription.

Answer: A

Explanation:

By using Excel Services, you can reuse and share Excel workbooks on SharePoint 2013 portals and dashboards.

References: https://msdn.microsoft.com/en-us/library/office/ms546696.aspx