IRS Valuation Calculation for Life Estate Home Sale

I need an IRS calculation done for a home sale involving a Lifer and two remaindermen. After getting an appraisal, you'll compute the Lifer's and remaindermen's portions of the appraised value.

Requirements:
- Detailed explanation of appraisal methods
- IRS calculation presented as a written report
- Breakdown of calculation steps

Ideal Skills:
- Tax and IRS regulations expertise
- Real estate appraisal knowledge
- Proficient in creating clear, detailed reports