Where to find free start-up finance spreadsheet to show potential investor eg 3yr revenue projection, etc?

I co-founded a start-up. Business plan is in the work. I still need to work on the financial section. I know I should have a CFO work on it. But I don’t have $$ to pay/hire a CFO. So I get to wear the finance hat too among other roles. Do you know of free finance spreadsheet templates I could download to use? Need to finish biz plan to show potential investors. Can’t show current biz plan as is without figures. Biz plan doesn’t mean anything to investors without 3 year financial planning such as revenue projection, dev’t cost projection, marketing budget projection, potential # of people for hire, other related finance figures of interest to potential investor. Tks for your help in advance!

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