TaxSlayer rounds the ratio of basis to IRA totals to 3 decimal places which
can result in minor taxable amount and new basis amount errors.
The "No rounding" option does not round the ratio and is more accurate.
But using this option will not match the Form 8606 produced by TaxSlayer.
Form 8606 input for TaxSlayer:
create a Form 8606 in TaxSlayer so that it's included in the tax return!
(Federal Section > Deductions > Adjustments > Nondeductible IRAs)
|Total basis in traditional IRAs
|Contributions made from January 1 through 4/18/2018
|Total value of all traditional, SEP and SIMPLE IRAs as of December 31, 2017
|Traditional IRA distributions (reported on form 1099-R) received during 2017
|Net amount converted from traditional, SEP and SIMPLE IRAs to Roth IRAs in 2017