How does the Hockey Stick of Human Prosperity demonstrate Gains From Trade? Include at least two examples from Professor Boudreaux's video.

dual credit courses allow you to take a test at the end of the course that, if you pass it with a high enough score, will give you college credit.

im confused need to go into details plz thx

urban company reports the following information regarding its production cost: units produced 37,000 units direct labor $ 30 per unit direct materials $ 35 per unit variable overhead $ 237,000 in total fixed overhead $ 127,000 in total