Someone wants to buy a formula.
i do some small scale formulating for a handful clients. i always keep the IP. one of them has had some sucsess with thier product and wants to scale up. i dont have the capabilities so they want to buy the formula. i have no idea what to charge them. they paid $2500 for the formulation and then for each production. im happy to sell it to them but i dont know whats a good price. any advice please.