Consider the production possibilities frontier for an economy that produces only blenders and microwaves. The opportunity cost of each blender is Figure 3 Refer to Figure 2-6. Consider the production possibilities frontier for an economy that produces only blenders and microwaves. The opportunity cost of each blender is the slope of the production possibilities frontier, or microwaves. the reciprocal of the slope of the production possibilities frontier, or of a microwave. the reciprocal of the slope of the production possibilities frontier, or microwaves. the slope of the production possibilities frontier, or of a microwave