Historical returns Calculate the arithmetic average return of US Treasury bills, long-term government bonds, and large-company stocks for 1989 to 1998. Which had the highest return? Which had the lowest return? On the left side, click on the Spreadshoot Learning Aid to see Table 8.1.-Year-by Year Returns, 1950-1999. What is the average return of U.S. Treasury bills for 1989 to 1998? 0% (Round to two decimal places) What is the average rotum of long-term government bonds for 1999 to 1998? % (Round to two decimal places.) What is the average retum of large-company stocks for 1989 to 1998? El% (Round to two decimal places) Which Investment had the highest average return for 1989 to 1998? (Select the best response.) A US Treasury bils OB Large company stocks OC Long-term government bond Which investment had the lowest average return for 1989 to 1998? (Select the best response.) O A US Treasury bills O B. Long-term government bond OC Large company stocks Historical returns Calculate the arithmetic average return of US Treasury bills, long-term government bonds, and large-company stocks for 1989 to 1998. Which had the highest return? Which had the lowest return? On the left side, click on the Spreadshoot Learning Aid to see Table 8.1.-Year-by Year Returns, 1950-1999. What is the average return of U.S. Treasury bills for 1989 to 1998? 0% (Round to two decimal places) What is the average rotum of long-term government bonds for 1999 to 1998? % (Round to two decimal places.) What is the average retum of large-company stocks for 1989 to 1998? El% (Round to two decimal places) Which Investment had the highest average return for 1989 to 1998? (Select the best response.) A US Treasury bils OB Large company stocks OC Long-term government bond Which investment had the lowest average return for 1989 to 1998? (Select the best response.) O A US Treasury bills O B. Long-term government bond OC Large company stocks