Hello Dear !
I have been in this industry for five years and such jobs are my daily practice. . I can assure you that if you work with me once, you will always work with me for these kind of projects.
For your graph it is doable on R, i can deliver the associated code to you and you can modify it after to get the same graph with your new data
No job is small, big or too complex , I handle each job as a special case aim at full job satisfactions and could provide feedback after job completion.
Let me get your job done !