A charitable organization has a goal of raising $300,000 in 100 days. If it raised $200,000 in the first 60 days, what

A charitable organization has a goal of raising $300,000 in 100 days. If it raised $200,000 in the first 60 days, what is the average (arithmetic mean) number of dollars per day that it must raise for the last 40 days in order to achieve its goal?

(A) $2,500
(B) $3,000
(C) $5,000
(D) $6,000
(E) $7,500

[spoiler]OA=A[/spoiler]

Source: GMAT Prep