To me this is a big "no" because I'm not in such position to negotiate a deal with another company. All I can do is send proposals to our administration with a

To me this is a big "no" because I'm not in such position to negotiate a deal with another company. All I can do is send proposals to our administration with a clearly stated fixed or recurring price, that's a pity but I know it's how the business works - and it works very well too.