SYDNEY, Nov 7 (Reuters) - Australian banks' exposure to two failed local corporates has increased to at least A$1.6 billion ($1.08 billion) and is likely to add to pressure on the banks to raise more capital in the near-term. Commonwealth Bank of ... Once you obtain all these information, ask for the same information from other lending companies. In this way, you can start comparing the costs of each loan and decide which one has the best mortgage rate.