Table 1.3.2 Monthly Production Possibilities for a Country Producing Only Butter and Guns Possibility Butter Guns a 8 O b 6 0 4 According to the production possibilities in Table 1.3.2, A) a combination of 1 butter and 6 gun is possible. B) a combination of 4 butter and 0 guns is possible. C) the opportunity cost of producing guns increases as more guns are produced. D) the opportunity cost of producing guns decreases as more guns are produced. E) the opportunity cost of producing guns stays the same as more guns are produced