C# GUI development - winforms, + web interface

this is a sealed bid, details will be provided to qualified bidders, qualification bid £20 exactly (just so I know you are real ) secondly qualification what font do you recommend for winform development. I am prescribing 3 milestones all of which will require work , (so no initial payment requests) when you have seen the specification we can set the value for the final milestone it is about 20 hours work and I would like it done within 9 days ,