Mr$.$ Kumar has contributed $$1825\mathrm{.}00$ per year for the last eight years into RRSP accounts earning

$6\mathrm{.}4\%$ compounded semi$-$annually.

a$)$ How much will kumar have in total in their RRSP accounts?

b$)$ How much did the kumar's contribute?

c$)$ How much will be interest?