Respuesta :
The correct answer to this question would be alternative B)"$475."
In order to make sure he doesn't get in financial trouble, the best would be to use at max 20% of his monthly income to pay in credit card and loan debts.
As he makes an annual amount of $28,500, his monthly income is about $2,375. 20% of that amount would be $475, as stated in alternative B, making it the correct one.