A CMO has been issued with 3 tranches and a residual. At origination:

- Tranche A investors own $2255 of principal with a coupon rate of 3.50%.

- Tranche B investors own $8217 of principal with a coupon rate of 3.70%.

- Tranche Z investors own $8082 of principal with a coupon rate of 4.50%.

- The residual carries $1 thousand of principal and receives all residual payments.

Mortgages backing the security issued are fully amortizing fixed rate with mortgage rate of 4.50% with 30 year maturities and monthly payments. Assume no servicing/guarantee fee and no prepayments.

What is balance on tranche B at the end of the first month (same as the balance at beginning of the second month)? Round your answers to cents (e.g. if your answer is $56000.0444, write 56000.04).