Seha invests RM 1,000 at time 0. Her nominal rate of interest is 8% in year1 and 7% in year 2. The rate of inflation is 5.5% in year 1 and 4.5% in year 2. Calculate Seha's equivalent level annual real rate of return over the 2-year period? (give answer in percentage 2 decimal points, not divided by 100)