Marijn takes the Catalyst IDEA model from Microsoft to the next level looking at D for Design. This is a great way to look at Digital Transformation in your business

You are designing a compelling case for change by discussing business and technological impact. During this, you'll quantify the ROI and financial benefits that include revenue growth, cost savings, and employee efficiencies.

This phase is about numbers confirming that your Transformation will have value and improvement. Understanding the current costs allows but to understand the scope of improvement through solid numbers... quantifying improvements.