What are some major advantages of 401k plans to both employees and employers?

• A. Earnings grow tax-deferred until distributed
• B. Employees are generally permitted to direct their investments
• C. Employees can shelter current income from taxation in a qualified plan
• D. Employers can use a good 401k plan to provide incentive for employees to stay with the employer
• E. Employers can establish 401k plans with minimal expense
• F. All of the above