Disney Hopes Wall Street Bets on New Global Streaming Service Walt Disney Co. unveiled details of a family- friendly streaming service on Thursday with TV shows and movies from some of the world's most popular entertainment franchises. Disney says its new streaming service, Disney Plus, will cost $6.99 US per month. Source: Reuters, April 11, 2019

a. How has live streaming changed the produc- tion possibilitics of video entertainment and other goods and services?

b. Sketch a PPF for video entertainment and other goods and services before live streaming

c. Show how the arrival of inexpensive live streaming has changed the PPP.

d. Sketch a marginal benefit curve and marginal cost curve for video entertainment before and after live streaming,

e. Explain how the efficient quantity of video entertainment has changed.