Assume that, in the population, 95 million people worked for pay last week, 5 million people did not work for pay but had been seeking a job, 5 million people did not work for pay and had not been seeking a job for the past several months, and 45 million were under age 16. The unemployment rate, given these numbers, is:

a). 25%
b). 50%
c). 10%
d). 5%