Specialization and production possibilities

Suppose Russia produces only cars and trucks. The resources that are used in the production of these two goods are not specializedthat is, the same set of resources is equally useful in producing both trucks and cars.

1) The shape of Russia's production possibilities frontier (PPF) should reflect the fact that as Russia produces more trucks and fewer cars, the opportunity cost of producing each additional truck........................(increase, decrease or remain constant)

2) Based on the previous description, the trade-off Russia faces between producing trucks and cars is best represented by.........(graph1 or graph2)

Graph 2 Graph 1 PPF 2 PPF 1 ) CL TRUCKS TRUCKS