The answer is "D) All of the above".
The primary difference of 401(k) plans and 403(b) plans is the sort of managers who can offer them. In contrast to 401(k) plans which are offered by revenue driven organizations, 403(b) plans are just accessible to workers of duty absolved associations. These are normally either schools, doctor's facilities or religious gatherings. The names just allude to the area of the expense code that traces these plans.