Redraw 50-100 powerpoint diagrams into a common design

I'm looking for a designer to redraw 50-100 PowerPoint diagrams for an updated book project (final no. to be determined soon). The diagrams, submitted by various authors, range from rough drafts to polished visuals, and require standardization in design. Your task will be to create new PowerPoint diagrams that adhere to a specified color scheme and style, ensuring a cohesive and professional appearance throughout. While the design should not be overly complex, it must convey clarity and consistency. If you possess a keen eye for detail and proficiency in PowerPoint, we invite your bids for this project.

The work will need to start mid to late Sept and be completed by mid October. The deck attached provides examples of the current diagram style.

I'm happy to accept quotes per image although I've chosen payment per hour for now.