Assume that the costs of pursuing a three$-$year certificate are $$9000$ in the $1$st year, $$10000$ in the $2$nd year and $$11000$ in the $3$rd year. Assuming a discount rate of $4\%,$ what is the Present Value of the total cost?

$30000$

$$31200$

$27430\mathrm{.}00$

$$28785\mathrm{.}50$