Answer both questions

X New Tab X + estms.instructure.com/courses/531794/quizzes/3700967/take YouTube Maps 40 Cars 300 per year) 200 B 100 100 200 300 400 Grain (millions of tons per year) From the graph above, it can be concluded that _ is an efficient point. point C point B O point A O none of these D Question 6 400 Cars 300 per year) 200 100 0 100 200 300 400 Grain (millions of tons per year) From the graph above, it can be concluded that _ is an inefficient point. O point C point D point A O none of these