Exhibit 33-1 Refer to Exhibit 33-1. The opportunity cost of one unit o

Exhibit 33-1 Refer to Exhibit 33-1. The opportunity cost of one unit of Y in country A is 10 units of X. 0.75 units of X. 2 units of X. 0.67 units of X. Country ACountry BGood XGood YGood XGood Y6003004030202020601040090060

unit