How has the portion of raw materials vs. components changed in the recent past? {Hint: Only one answer is correct.} 1) Generally, we are buying more sophisticated and complicated material, and more of the spend has been shifting to components from raw materials. 2) Generally, we are buying less sophisticated and complicated material, and more of the spend has been shifting to raw materials from components. 3) There is relatively little change in what we are buying in manufacturing settings. 4