Recall Application 2, "More Disability, Less Unemployment?" to Answer the Following

Recall Application 2, "More Disability, Less Unemployment?" to answer the following questions:
-According to the application, the federal Disability Insurance program provides income to:

A) elderly workers who are deemed able to engage in substantial employment.
B) non- elderly workers who are deemed able to engage in substantial employment.
C) non- elderly workers who are deemed unable to engage in substantial employment.
D) elderly workers who are deemed unable to engage in substantial employment.