A CMO is being issued with 2 tranches and a residual (same set-up as the previous question): - Tranche A has 6,000,000 in principal and a 4.50% coupon. - Tranche B has 5,000,000 in principal and a 5.00% coupon. The mortgages backing the security issued are FRM at a mortgage rate of 5.10% with 10 year maturities and annual payments. There is no guarantee/servicer fee. Prepayment is assumed to be 5% CPR. The residual owns no principal at origination. What is the starting pool balance for Tranche A investors in year 2? (Note: same as the ending pool balance for Tranche A investors in year 1) a.6,180,341.21 b.5,760,753.01 c.4,579,523.44 d.5,075,948.54