Theodore believes he understands the concept of Simple Interest. He is however stumped on the following question and has asked for your help to solve it: If he puts $$3,000$ in his savings which pays simple interest of $7\%$ per annum, how long does his money have to be earning interest if the maturity value of his savings comes to $$4,050?$

Select one:

a$.$

$4$ years

b$.$

$5$ years

c$.$

$3$ years

d$.$

$2$ years