An online music service surveyed 500 customers and found that 270 listen to hip-hop music, 320 listen to rock, and 160 listen to country. In addition, 140 listen to both rock and hip-hop, 120 listen to rock and country, and 80 listen to hip-hop and country. Finally, 50 listen to all three. Draw a Venn diagram to represent the results of the survey and find the number of customers who: A. Listen to only hip-hop. B. Listen to rock and country but not hip-hop. C. Don't listen to any of these three types of music. D. Don't listen to country music.

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