All the Following Statements About SIMPLE Retirement Plans Are True

All the following statements about SIMPLE retirement plans are true EXCEPT

A) They are limited to employers with 100 or fewer eligible employees and who do not maintain another qualified plan.
B) They encourage small employers to establish pension plans for their employees.
C) They are subject to more stringent discrimination rules than those that apply to most qualified plans.
D) They can be structured either as an IRA or as a 401(k) plan.