Q6) kindly read the table below and answer it's questions.

X Point Production of grain(tons) A Production of cars(cars) 0 30 B 2 28 C 4 D 24 D 6 18 8 F 10 10 0 The above table shows production points on production possibilities frontier for grain and cars. 8 What is the opportunity cost of one car if moving from point B to point A