assuming their average tax rate is 25% currently and for the future until retirement and is expected to be 15% at retirement,how would $1000 of pretax contribution today grow in an IRA versus Roth IRA?Assume 100% of the money is withdrawn after 30 years. Use the smiths expected rate of return on investments for compounding and assume there are no other contributions in the future

the expected rate off return on investments is 8%