Mortgage interest. Azusa purchased a house in $2010$ for $$130,000$ in cash and a mortgage loan of $$340,000.$ During $2011$ and $2012,$ she paid down the principal of loan by $$40,000$ and made interest payments totaling $$20,000.$ At the end of $2012,$ she refinanced the loan, borrowing $$410,000$ and using the amount in excess of the outstanding principal to pay for her daughter's wedding. How much is Azusa's "acquisition indebtedness" after the refinancing?