More detail
Payment processing fees can change and depend on the method and provider, so it is best to confirm the live numbers rather than rely on an estimate.
For M-Pesa specifically, you can model the standard customer and business charges with the free M-Pesa fee calculator while you confirm anything Veira-specific with the team.
Related questions
Who sets the card processing fee?
How do I estimate M-Pesa charges?
Veira gives Kenyan shops one calm app for selling, M-Pesa, KRA eTIMS and stock, with a free terminal. Book a demo and see it set up for your trade.