I need answers for question a, b, c and d, please show your work. I am really confused.

4. A survey of 2000 television viewers conducted by a local television station produced the following data: . 40% watch the news at 09 00 . 60% watch the news at 19 00 . 50% watch the news at 22 00 . 25% watch the news at 09 00 and at 19 00 . 20% watch the news at 09 00 and at 22 00 . 20% watch the news at 19 00 and at 22 00 . 10% watch all three news broadcasts a) Create a Venn Diagram and show any process/calculations [6A] b) What percent of those surveyed watch at least one of these programs? [2A] c) What percent watch none of these news broadcasts? [1A] d) What percent view only one of these shows? [2A]