9) ABC provides services exclusively for three customers. The monthly amounts paid by these customers along with their respective collection delays are: $81,900 with 1.5 days, $47,300 with 2 days, and $68,400 with 2.5 days. Given this information, what is the weighted average delay?

A) 2.11 days

B) 1.94 days

C) 1.97 days

D) 2.06 days

E) 2.01 days