The label in your jeans says that they were made in a latin american country. this is probably because the jeans manufacturing company wanted to locate its plant
a. closer to raw materials.
b. where labor was plentiful and therefore cheaper.
c. in a warmer climate.
d. in a region with less technology.

The answer is b. Where labor was plentiful and therefore cheaper

well actually the raw material also became one of the reasons, because they could get it a little bit cheaper outside the U.S but it mainly because of the large quantity and cheaper workforce

American company can pay down to only 25 % of the average American wage , if they move the plantation to south east Asia, they only need to pay about 12 % of average American wage

Complementary goods. they go together, thats why one price increase and the others demand increases