Excel Sheet made in powerpivot need some changings

Dear Freelancers, I need some one have experience in Power Pivot an add-on in Microsoft Excel 2010. We provide you an remote desktop to work on and make the changings to the sheet or we will email you the sheet. We preferred you work on the remote desktop. What we need ? 1. Calculation on our Time table for view the available time in power pivot. 2. Create an index sheet with every data inside. 3. Make 2 special calculations in power pivot we provide you the formulas 4. Last little 3 changing we provide you in the assignment letter is classified. All information is strictly confidential and must not be discussed or passed on. Confidentiality agreement must be signed by applicant. This job is to be completed within 3-4 days as it is quite simple. Thanks, Raoul