Also, how long is your investment horizon? Is it really that important to you to project out to 30 years or is 3λ years sufficient along with a terminal value that represents the expected NPV beyond 5 years? Usually this latter approach works best and looks the most credible to potential investors. There are numerous ways to calculate terminal value including multiples, current market values projected forward, and round guesstimates. Obviously these decisions are affected by your personal preference and the type of investment for which you're calculating present value.
It seems that "everyone" hates PowerPoint™! At one time there was even a website dedicated to how poorly presenters use the tool. I'm bucking the trend to tell you that I LOVE PowerPoint™. It's the tool I most use to share my visual messages, organize my thoughts, and convey what I'm thinking. I'm often asked how I do what I do with the tool. I thought I would share 7 ways to use PowerPoint to visualize your thoughts and convey what's in your head so that you, too, might learn to love the tool. And no _ I do not have any financial interest in Microsoft or the MS Office Suite. I simply grew up on Wintel (Windows & Intel) computers using MS Office products and have learned how to make them indispensable tools in my business.