... will be charged separately.  10 Computers/Workstations +Plus 1 Server are included with this plan (add more computers at $25 each). Any additional work, not listed in this agreement will be billed ...

... will be charged separately.  5 Computers/Workstations +Plus 1 Server are included with this plan (add up to 4 more at $25 each). Any additional work, not listed in this agreement will be billed separately ...

... anytime.  All parts are additional and will be charged separately.  5 Computers/Workstations are included with this plan (add up to 4 more at $25 each). Any additional work, not listed in this agreement ...

... anytime.  All parts are additional and will be charged separately.  2 Computers/Workstations are included with this plan (add up to 2 more at $29 each). Any additional work, not listed in this agreement ...