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                          •  Replacement  If you’re planning on an especially long life cycle for your
                             computers, realize that some computers will simply fail and some you will want to
                             replace, just for the sake of their role in your organization. You may also need to
                             replace certain components, either through mechanical failure or just as part of your
                             organization’s needs. Plan for replacing components or even entire computers.

                         Whereas the preceding are costs you can expect for the physical machines, there are
                      other costs associated with your system that you should also add into your cost estimates.
                      These indirect costs include the following:

                          •  Interest  Maybe the largest indirect cost to your system is the interest you pay on
                             borrowing money to make the initial purchase. As such, you should figure your
                             interest costs into any life cycle cost considerations.
                          •  Administrative costs  These costs will vary from organization to organization,
                             system to system. And they’re likely to be somewhat of a moving target as well as
                             somewhat fuzzy. These include costs for arranging and administering service
                             agreements, tracking equipment with property tags, and so forth.
                          •  Staffing  Depending on your system, you may find that you need more (or in
                             some cases fewer) people to run it. That might mean you need to adjust the size of
                             your IT staff. Plan the impact of those salaries into your life cycle cost estimates.  PART III
                          •  Downtime  If the system is down—either on purpose for updates or because of
                             unreliability—those costs manifest themselves in the form of reduced productivity.
                             Certainly, you can’t pre-quantify how often the system will go down, but if you plan
                             regular updates and maintenance, you should be able to predict how often you’ll have
                             to take the system down and what that impact will be on the overall organization’s
                             productivity.
                      Buy or Lease
                      There’s no overall “right answer” when deciding whether to buy or lease your equipment.
                      The decision will depend on your organization, what you’re expecting of the equipment,
                      and what you want of a computer purchase deal.

                      Leasing
                      There are a number of benefits to leasing your equipment. Benefits include:

                          •  Keeping your equipment up to date  Because computers become obsolete quickly,
                             you pass the financial burden of their obsolescence on to the leasing company. Let’s
                             say you’ve got a 3-year lease on your sales department’s computers. Once that lease
                             expires, the computers go away and you can find a new deal.
                          •  Predictable monthly expenses  You’ll always know what you’re spending on your
                             machines, because you’ve already hammered out a deal and you know what you’re
                             paying.
                          •  Low (or no) upfront costs  Most leases don’t require an upfront payment. So if
                             your organization has trouble with cash flow, likely you’ll be able to avoid a down
                             payment.
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