Aisha contributed $2000 per year for the past 10 years into an RRSP account earning 3.8% compounded

Question:

Aisha contributed $2000 per year for the past 10 years into an RRSP account earning 3.8% compounded annually. Suppose she leaves the accumulated contributions for another five years in the RRSP at the same rate of interest.
(a) How much will Aisha have in total in her RRSP account?
(b) How much did Aisha contribute?
(c) How much interest will have been earned?