Answer:
C. Government laws which say that the average work week must be reduced by one hour every year.
Step-by-step explanation:
Supply side inflation or cost push inflation occurs when an input into the production process increases in value due to scarcity. It occurs when there is higher cost of production, resulting in decreased aggregate supply.
A reduction in the hours of service provided by labour will lead to scarcity, this will cause an increase in the price of labour. Since labour is a major input in production, increased cost of labour will reduce aggregate supply. This is supply side inflation.