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.
When you need printed instructions _ Key card envelopes can be used to store ID cards, customer loyalty cards, and pass cards of all kinds. Encouraging the cardholder to store the card in an envelope means they can keep instructions for using the card always on hand. It may be difficult to print a large amount of copy on a card, but it is easy to print on both sides of the envelope. Besides printing room numbers and building numbers for resort key cards, you could print instructions for using an employee access card, blanks for writing personal information so a card can be returned to its owner, or instructions for how to redeem a gift card.