Deductions & credits

Thank you, appreciate your response. I tried to enter the computations manually, as if rental property and personal property are separate to avoid turbo tax bug. I prorated the mortgage interest as 1/3 and 2/3 each. Problem is: TurboTax asks the loan amount for personal property. My actual loan amount is 1,500,000. I f I prorate it to 1,000,000 to get the right number for mortgage interest ($30000), I will be mis-stating the loan amount. If on the other hand, I put the full loan amount, turbo tax is applying 750,000 limitation, and giving me lower number of mortgage interest ($20000) than I should be legally eligible for. What should I do.