Sarah Has a Hair Salon

Sarah has a hair salon. She uses Instagram and Facebook to promote her business. Last month, she developed an ad to encourage potential clients to see her website. She ran 2 advertisements; one in Instagram and one in Facebook. She found out that the ad on Instagram was seen 400 times and the one on Facebook was seen 600 times. Among people who saw the ad on Instagram, 50 people click on the ad to see the website when this number was 30 for the Facebook ad.
-What would be the click-return rate for the Facebook ad?

A) 50%
B) 5%
C) 200%
D) 20%
E) 2%