Sharepoint Online 2013 List modification for custom sum calculated field

Hi, I (Myself a senior PHP, ASP.NET programmer using C# and VB) have a team having experience of more than 10 years in developing web and mobile applications. I have a team of expert programmers who write robust and bug-free codes at the very first instance. After seeing our quality of work and the cooperation offered to you even after the work has been delivered to you, you’ll come to us again and again to avail our services. I read through the job details extremely carefully and I am absolutely sure that I can do the project very well. I can achieve the results that you are asking for within your timeframe and budget. I am confident I can exceed your expectations and I would love to work on your project. Thanks, Priyanka

Hi, Please feel free to discuss the project with me ............................................................................ Thanks, Murtaza

I have five years of experience in SharePoint(2010,2013) design, development and administration. Please confirm this is your full and final requirements then I will give you final proposal.

A proposal has not yet been provided

As my team have done a lot of projects recently on fiverr and truelancer so we think we are suitable for this project and we will prove by doing our job in a good manner and as we have done earlier and proved our skills in the field.

I have good experience over SharePoint 2013 online. The requirement can be implemented using client side rendering provided it just requires to display the sum.

i wil develop and present the sum you need in my enviroment and put it in your enviroment when needen