In: Finance
calculate the notional amount for this notional IO with a coupon rate of 4.25%, backed by the 4.25% collateral pass-through MBS upon which the CMO is created. (20 points)
| 
 Tranche  | 
 Principal  | 
 Coupon  | 
| 
 A  | 
 3.00%  | 
|
| 
 B  | 
 3.50%  | 
|
| 
 C  | 
 3.75%  | 
|
| 
 D  | 
 4.00%  | 
|
| 
 IO  | 
4.25% | 
Given,
| 
 Tranche  | 
 Principal  | 
 Coupon  | 
| 
 A  | 
 202,000,000  | 
 3.00%  | 
| 
 B  | 
 59,000,000  | 
 3.50%  | 
| 
 C  | 
 96,500,00  | 
 3.75%  | 
| 
 D  | 
 42,500,00  | 
 4.00%  | 
| 
 IO  | 
4.25% | 
Solution :-


Total notional amount = 59411764.7058 + 10411764.7058 + 1135294.11764 + 250000 = 71208823.53
Thus, the notional amount for this notional IO with a coupon rate of 4.25% is 71208823.53