Sofia's employer contributes R$120$ per week to her retirement plan. Assuming she continues working for her employer for another $30$ years and using a discount rate of $7,5\%,$ what is the present value of this employee benefit to her?

$1.$

R $12407,93$

$2.$

R $40384,69$

$3.$

R $74416,56$

$4.$

R$645212,27$