3. which of the following statements about the missing data in Exhibit 3 is correct?

a. node 3-2 can be derived from node 2-2

b. node 4-1 should be equal to node 4-5 multiplied by xx

c. node 2-2 approximates the implied one-year forard rate one year from now.

答案是C，但是Node2-2不应该是 the implied one-year forard rate two year from now么

谢谢！