I want plot graph. How can i do it?

Question

Hi Friends..
 
I am doing my project in SSRS.
 
I have table sales
 

name prodcut amount sales ID arul oil 200 NULL arul oil 800 NULL siva oil 700 NULL arul sugar 700 NULL arul dall 400 NULL siva rice 4000 NULL

 
I want plot graph ,
 
Name VS sum of Product Amount,
 

 
How can i do it. and i want group product in the graph.
 
Please any one help me.