An investor earns a return of 6.90% per year on his investment into a portfolio of stocks in the energy sector. The inflation has has been 2.75% per year, and it is expected to stay at this level in the foreseeable future. Calculate the return that the investor's portfolio of stocks provides per year in real terms. % Using the exact formula, it should equal %. Put your answer in percent, NOT in decimals. Do NOT use "%" in your answer. Round to TWO decimal places. For example, if you got 12.34%, put 12.34. Using the approximate formula, it should equal %. Put your answer in percent, NOT in decimals. Do NOT use "%" in your answer. Round to TWO decimal places. For example, if you got 12.34%, put 12.34.