What should I do about a potential scholarship in a field I don't

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So I've been shortlisted (about 4 people from my school) by my highschool to have my name put forward to one of the big accounting firms since they believe I have a chance.
This scholarship doesn't require a special test just some cheesy questions like "why do you deserve it?".

The thing is that I'm good at accounting and I relatively enjoyed it up until this year (final year) because when we visited said firm I realised how boring it is in the real life even though they were quite modern in trying to keep up with all the latest office trends (their excel sheets contrasted with the bean bags).
I get $7000 towards university, a mentor (which can get in the way) and a summer job at the company.

At this point if I went forward and cheesily answered all the questions with made up garbage I'd only be doing it for the money and general experience working with a nice line on my CV, I don't care about accounting anymore which makes me feel like it'd be better if I had no chance in getting it for fear of displacing someone who would've possibly continued their career with the firm post-university.

What's the right decision?
It's not a one in a million chance of a scholarship since they get around 200-400 applications and accept about 20.