You borrow $$10,000$ to be repaid over $10$ years with equal annual payments at $9\%.$ Repayment of principal in the second year is: why $717\mathrm{.}44$ is the correct answer?

a$.$

$$717\mathrm{.}44.$

b$.$

$$1,000\mathrm{.}00.$

c$.$

$$1,558\mathrm{.}20.$

d$.$

$$658\mathrm{.}20.$