Iver audio is an all-in-one music management tool that was first marketed in 1999. most users can use the basic version that is free, but a $19.99 upgrade provides extra features such as supertagging, faster ripping and burning. which of the following explains this approach for applying freeconomics?
a) labor exchange approach
b) freemium approach
c) zero marginal cost approach
d) cross subsidies approach
e) gift economy approach

Helen tells her nephew, bernard, that she will pay him $100 if he will stop smoking for six months. helen was hopeful that if bernard stopped smoking for six months, he would stop altogether. bernard stops smoking for six months but then resumes his smoking. helen will not pay him. she says that the type of promise she made cannot constitute a binding contract and that, furthermore, it was at least implied that he would stop smoking for good. can bernard legally collect $100 from helen