Solve the following using Venn Diagram

A survey of residents in a small town showed the following:

25 ate beef, 13 ate both beef and fish, 9 ate all types
28 ate fish, 14 ate both fish and poultry, 7 ate none of them.
30 ate poultry, 15 ate both beef and poultry.

Draw a Venn Diagram containing three circles
(a) How many ate fish, but not poultry or beef?
(b) How many ate poultry and fish, but not beef?
(c) How many ate only beef?
(d) How many ate nothing or only poultry?

*Please present a picture to your answer (I expect a full and correct answer)