# Question

An issuer is considering the following two CMO structures. The first structure is:

Tranches A to E are a sequence of PAC I’s and F is the support bond. The second structure is:

Tranches A to E are a sequence of PAC I’s, F is a PAC II, and G is a support bond without a PAC schedule.

Answer the below questions.

(a) In structure II, tranche G is created from tranche F in structure I. What is the coupon rate for tranche G assuming that the combined coupon rate for tranches F and G in structure II should be 8.5%?

(a) In structure II, tranche G is created from tranche F in structure I. What is the coupon rate for tranche G assuming that the combined coupon rate for tranches F and G in structure II should be 8.5%?

(b) What is the effect on the value and average life of tranches A to E by including the PAC II in structure II?

(c) What is the difference in the average life variability of tranche G in structure II and tranche F in structure II?

Tranches A to E are a sequence of PAC I’s and F is the support bond. The second structure is:

Tranches A to E are a sequence of PAC I’s, F is a PAC II, and G is a support bond without a PAC schedule.

Answer the below questions.

(a) In structure II, tranche G is created from tranche F in structure I. What is the coupon rate for tranche G assuming that the combined coupon rate for tranches F and G in structure II should be 8.5%?

(a) In structure II, tranche G is created from tranche F in structure I. What is the coupon rate for tranche G assuming that the combined coupon rate for tranches F and G in structure II should be 8.5%?

(b) What is the effect on the value and average life of tranches A to E by including the PAC II in structure II?

(c) What is the difference in the average life variability of tranche G in structure II and tranche F in structure II?

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