This is expensive $$ for the project. I assume that this burger retails for $8-10 dollars and that his location will sell 200 burgers a day. So he is giving up 1% of revenues for 1 1/2 years! Freemium doesn't work in the restaurant space.
Careful when making assumptions. Not only is 200 burgers a completely unfounded number, but you've neglected to include things like fries and drinks in your calculations.
