Answer:
The correct answer is C
Step-by-step explanation:
Standard of living is the one of the most vital factor which is need to be considered while contracting with any country, as it involves factors as a whole availability and the quality of employment, housing affordability, class disparity and poverty rate, gross domestic product, hours of work are required to purchase necessities and inflation rate.
So, if the country standard of living is increasing, it is good for a country. Therefore, US companies made contracts with China because of standard of living is increasing and the workers are demanding more pay.