Okay well I got you.
The first answer is: When unemployment is low, businesses have to compete more for workers, forcing wages up. Higher wages increases labor costs.
The second answer is: As inflation accelerates, workers may supply labor in the short term because of higher wages- leading to a decline in the unemployment rate.
The third answer is: I don't know this one sorry :(
The fourth answer is: I don't know this one either.
Sorry i wasn't much help...:(
