https://m.cafe.daum.net/ssaumjil/LnOm/3177397?svc=daumapp&x_trkm=t&x_imp=dG9yb3NfY2xvdWRfZmlsdGVyX2V4dGVybmFsX2xvZw==&x_hk=OTQ5NDkxZDIxNTgyNmE4M2Rh
.
Hmm… I don’t know, but it seems like the professor was very disappointed in the economics students.