Over the past four years, the annual percentage returns on large-company stocks were 15, 7, 4, and 18 percent. For the same time period, U.S. Treasury bills produced the returns of 6, 3, 2, and 4 percent. Inflation averaged 2.8 percent over the four-year period. The average real rate of return on large-company stocks was percent for Treasury bills. percent as compared to Seleccione una: O a. 7.98; 1.08 O b. 7.98;.92 O c. 7.98; 1.22 O d. 6.47; 1.08 Oe. 6.47; .92