A $25-$year zero$-$coupon Treasury bond with a face value of $$1,000$ was issued last year for $$425.$ What is the implicit interest earned in the first year of the T$-$bond's life?

Question $9$ options:

$$14\mathrm{.}80$

$$17\mathrm{.}00$

$$21\mathrm{.}45$

$$28\mathrm{.}70$

$$34\mathrm{.}80$