Efficiency in the production-possibilities model suppose Germany produces wheat and digital cameras. The following graph shows Germany's current production Possibilities frontier (PPF), along with...

Efficiency in the production-possibilities model suppose Germany produces wheat and digital cameras. The following graph shows Germany's current production

Possibilities frontier (PPF), along with six output combinations (black X symbols) labelled A to F. Which pots on the graph represent output combinations that are inefficient? Which points on the graph represent output combinations that are efficient in production? Which points on the graph represent output combinations that are not feasible?