Surely, I can provide you with a completed assignment, however I would like you to make it on your own. No doubt what ever help you need from us, we are ready to help you.
Let me give you some hints..
Just pick any company or rather a simple question from your book ( Final Accounts), then make Balance Sheet and Cash flow statement from the data. Now take out the ratios on the basis of the given Data. Its easy and interesting, You will love to do this on your own.
Further if you need any complete assignment for hints , please let me know.I will provide you that.