Calculate the difference between the following two investment proposals.

$($a$)$ R$1401\mathrm{.}82$ invested annually for five successive years at $9\%$ per annum.

$($b$)$ R$5209\mathrm{.}22$ invested for five years at $10\%$ per annum compound interest.

a$.$

R$0$

b$.$

R $80\mathrm{.}25$

c$.$

R$100\mathrm{.}35$

d$.$

R $36\mathrm{.}10$