Mortgage holders are once again left holding the bag on Melbourne Cup Day with the RBA lifting the cash rate to 4.85%, its highest level in 18 years. If your repayments are starting to bite, here’s how we could help you rein in your interest rate. Following hikes in February, March, May and September, this latest 0.25% increase takes the cash rate to 4.85%, a level we haven’t seen since November 2008. Not exactly a prosperous time. The RBA’s Monetary Policy Board said in a st