Determine whether each of the scenarios is possible.
a. A poverty rate based on a relative measure is high, income mobility is low, and there is perfect income equality.
b. A poverty rate based on an absolute measure is high, income mobility is zero, and there is perfect income equality.
c. A poverty rate based on an absolute measure is high, income mobility is high, and there is high income equality.
d. There is no poverty based on a relative measure income mobility is high, and there is perfect income equality.