I think it is D. You need to partition by year (cumulative basis annually) sum over [..0], because [..] would simply sum all of the Amounts for given year.
A voting comment increases the vote count for the chosen answer by one.
Upvoting a comment with a selected answer will also increase the vote count towards that answer by one.
So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
840acea
7 months, 2 weeks agohananetest
10 months, 2 weeks agohananetest
10 months, 2 weeks ago