What is the size of the final unequal payment of a loan that has $69\mathrm{.}47$ payments and the equal payment size is $$215\mathrm{.}64?$ The interest rate is $3\mathrm{.}1\%$ per compounding period.

a

$$120\mathrm{.}17$

b

$$210\mathrm{.}17$

c

$$102\mathrm{.}17$

d

$$99\mathrm{.}10$

e

$$99\mathrm{.}17$