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Here are the frequency graphs of the historical return of two bonds, Bond A and Bond B. Which bond has a higher average return, and which one has a higher risk? 150 150 100 100 50 .. 50 0 0 -4 -3 -2 -1 0 1 2 3 4 -4 -3 -2 -1 0 1 2 3 Bond A Bond B Bond B; Bond B Bond A; Bond A Bond B; Bond A Bond A; Bond B Here are the frequency graphs of the historical return of two bonds, Bond A and Bond B. Which bond has a higher average return, and which one has a higher risk? 150 150 100 100 50 .. 50 0 0 -4 -3 -2 -1 0 1 2 3 4 -4 -3 -2 -1 0 1 2 3 Bond A Bond B Bond B; Bond B Bond A; Bond A Bond B; Bond A Bond A; Bond B