Identify Twenty Errors in the Passage Below?

(after computers) question mark, the " before a penny saved... American (capital) ,coma after babysitter, United States (capital) Axia (capital) their financial nest eggs (from there to their), coma before however... ,however,..... Coma after additionally, coma after backbacks, Coma after paper clips, Roosevelt capitalized. Thats all i can see but i dont know if i got them all.