This paper provides real metrics to prove the business benefit that Quark achieved using DITA, a solid content reuse strategy, and Quark® XML Author. Some companies offer impressive metrics without showing how they achieved the numbers. Not so in this paper. Follow our journey of designing reusable content to create custom user guides with a minimum of cost.

>Mark Lewis

And I'm adding a bunch of phrases to make sure this can be searched/found.

Because I had trouble relocating Ian Larner's wonderful "Touching DITA" articles for ISTC. Check them out too.

Keywords:

DITA metrics DITA reuse math DITA economics DITA cost metrics DITA reuse metrics DITA percent reuse DITA percentage reuse DITA statistics DITA formulas
single source publishing metrics
single source publishing statistics
Reuse calculate reuse calculation
DITA Cost Calculator
DITA Cost Calculations
DITA Reuse Calculator
DITA Reuse Calculations
DITA ROI 
business case