It is often true that as the economy begins to recover from a recession the unemployment rate rises. Which of the following statements would be the best explanation for this? (a) The unemployment rate would rise because as the economy initially recovers from arecession the demand for goods and services falls, so the demand for workers falls. (b) As the economy begins to recover from a recession, workers who were previouslydiscouraged about their chances of finding a job begin to look for work again. (c) The unemployment rate seems to rise as the economy begins to recover from a recessionbecause of errors in the way the data are collected. (d) As the economy initially recovers from a recession, firms do not immediately increase thenumber of workers they hire. Firms wait to hire more individuals until they are convinced thatthe recovery is strong.