Golden gates Ltd, a manufacturing firm, is considering investing $330,000 in a new system. It is estimated that net cash flow per year will be $60,000 and the computer will have a 10-year useful life and $30,000 residual value. The machine will be depreciated on a straight-line basis. You are approached to provide advice to the management. One of the questions the management would like to know is as follows: What is the accounting rate of return in percentage? (round up to the 2 decimal places; provide a numerical answer only; please do not add the percentage symbol)