Several Days After a Wedding, an Outbreak of Cyclosporiasis Occurred

Multiple Choice

Several days after a wedding, an outbreak of cyclosporiasis occurred among attendees. Of the 108 guests at the wedding, 76 were ill and met the case definition.
50 of the 76 who were ill ate the wedding cake.
Three of those who were well ate the wedding cake.
What is the attack rate for those who ate the wedding cake?

A) 65.8%
B) 46.3%
C) 94.3%
D) 70.3%