August 2004
Intermediate to advanced
656 pages
15h 28m
English
Content preview from Return on Software: Maximizing the Return on Your Software InvestmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Comparisons Based on Total Cash-Flow Streams
The preferred approach is to always do the comparisons based on incremental investment. The incremental form of comparison always works. But the incremental approach isn't the only approach. Done carefully, the total investment approach works just as well. The trick is to just remember when it can be used and when it can't. Don't use IRR as the basis with total cash-flow streams. The total investment approach can only be used when the basis for comparison is present worth (PW), future worth (FW), or annual equivalent (AE).
The total investment approach is different from the incremental approach in a computational sense, but you will end up with exactly the same decision. The present worth on total ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.