Client inherited an installment sale contract for a rental house. I can not find any information on how to report this. Do you go back to the original date of sale or date of death for basis? Another question. This was a do it yourself contract: $60,000 sale price, no down payment, $500 month for 10 years, no mention of interest. I am not sure how the imputed interest calculation works. Assuming an interest rate at 6% I ran an amortization schedue and came up with a beginning principa