Owner's equity at the beginning of the year is
Assets-liabilities
60,000−17,000=43,000
Owner's equity at the end of the year is
Beginning balance+revenues-expenses+additional investment-withdrawal amount
43,000+48,000−36,000
+8,000−9,000
=54,000
Owner's equity changed by
ending balance-beginning balance
54,000−43,000=11,000. ..answer