An investment in specific human capital arises while: (w) Chandra learns Japanese to be eligible for a potential job in Tokyo. (x) Chele has a face lift so she can increase her fees for high-fashion modeling. (y) Chelsea practices playing a harp and a harmonica to earn a doctorate into music education. (z) Chris memorizes a new bus route to signal MetroBus that he deserves a promotion.
Please choose the right answer from above...I want your suggestion for the same.