Credit card rates hiked at CBA 01 May 2008 4:41PM John Kavanagh Commonwealth Bank will today announce higher rates across its range of credit cards, with a new benchmark rate of 20.74 per cent.The low fee Visa and MasterCard go up from 19.64 to 20.74 per cent, the Platinum MasterCard goes from 20.44 to 20.74 per cent and the Gold Visa and MasterCard go from 20.44 to 20.74 per cent.The no annual fee card rate remains unchanged at 18.24 per cent, as does the low rate card at 13.24 per cent. The cash advance rate on the low rate card goes to 18.99 per cent and the cash advance rate on the no annual fee card goes to 20.74 per cent.