Read the short Calyx case for background
Review the charts your team have prepared for their recommendation
Create a 1 page ppt Executive Summary, using layout to do some communication for you
Write messages on every chart (You dont need to write on every chart, just 4-5 charts are fine)
Iterate Executive Summary and messages on the charts until both fit perfectly and the story flows smoothly
The Powerpoint has a blank page to write summary.