# Thread: calculating rate (xp sr2)

1. ## calculating rate (xp sr2)

I'm trying to do something I think is simple, but am having a problem. I want to record my mutual fund account balances and have excel calculate my current quarter return, annual return and return since I began it.
I attached a small version of what I have started. Column "G" is where it should calculate the interest.
These statements are quarterly, but I make a monthly contribution of \$183, which is \$549 per quarter.
When I get my statement I put in the ending balance in Column "F", which should be the only thing needed to compute, since the contributions are constant.
The Gain/loss is computed after taking the contribution into account.
I tried to use the RATE argument formula in column "G" but I don't get an anwer.

HELP...I missing something simple.

Rick

2. ## Re: calculating rate (xp sr2)

I'm afraid I don't understand your calculations, but to make the RATE function work, you must take care to use the correct sign for all arguments. Both the monthly payments and the initial amount should ne negative, while the final amount is positive, so

RATE(3,-183,-C2,F2)

3. ## Re: calculating rate (xp sr2)

Thanks, that was my problem.

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