Exchange rate at Project builder

Dear,

Background:

1. We usage the speech complaint P astatine task readying cost

2. The task volition beryllium implicit aft respective years according to POC. And we volition merchandise caller speech complaint by yearly for speech complaint P.

Question:

Because the task volition transverse respective years and the speech complaint P volition updated yearly, there volition beryllium speech complaint fluctuations.

How we tin get the fixed speech complaint astatine task builder?

- Do we person the manually input speech rate?

-Can we lone prime up the speech complaint based connected task instauration date

Thanks.