An MBS consists of $3$ underlying loans as follows. What is the weighted average maturity of this MBS deal?

Loan $1$:$i=12\%,$ Principal $=$$$155,000,$ Maturity $=25$ years;

Loan $2$:$i=13\%,$ Principal $=$$$150,000,$ Maturity $=27$ years;

Loan $3$:$i=10\%,$ Principal $=$$$210,000,$ Maturity $=19$ years

$23\mathrm{.}7$ years

$23\mathrm{.}1$ years

$24\mathrm{.}0$ years

$24\mathrm{.}8$ years