Critical Reasoning (CR) | Re: Curator: If our museum lends Venus to the Hart Institute for their sho

Hello experts,
I interpreted this question as

museum administrator is doubting or questioning that Curators plan of "Increasing the revenue" might not work.

I chose C- it is clearly answers yes and no by increasing and decreasing the revenue respectively.

but E- Isn't saying the same thing?
Financial gain- isn't it the same as Revenue or its calledprofit?