Maria maya good x good y good x good y 90 0 60 0 60 30 40 10 30 60 20 20 0 90 0 30 refer to exhibit 2-8. for maria, the opportunity cost of producing one unit of good y is ___________ unit(s) of good x.



a. 10.00



b. 0.50



c. 1.00



d. 2.00