Suppose that the current 1-year spot rate is known to be 5%. Furthermore, the next year's spot rate curve (s'k) is also predicted, according to expectations dynamics. s'1 s'2 s'z s'4 s's 0.053 0.058 0.062 | 0.068 0.072 | Determine the time zero discount factors d1, d2, ..., d6. Only key in the value of d2