(Table: Production Possibilities for Machinery and Petroleum) Use Table: Production Possibilities for Machinery and Petroleum.The opportunity cost in Mexico of producing 105 units of petroleum is _____ units of machinery.

A) 35
B) 70
C) 90
D) 160

Opportunity Cost

Surrendering the chance for gains from other choices by opting for one path.

Machinery

Equipment, especially of a mechanical nature, used in the production process of goods.

Petroleum

A liquid that occurs naturally under the surface of the Earth, which can be processed into fuel and a range of chemical products.