Question $5\mathrm{.}21$

Brian deposits $$100$ into a fund today.

Interest for the first year is credited at a nominal discount rate of $6\%$ compounded

monthly.

Interest for the second year is credited at a nominal interest rate of $7\%$ compounded

quarterly.

Interest for the third year is credited at a constant annual force of interest of $10\%.$

Calculate the accumulated value at the end of $3$ years.

A $111\mathrm{.}54$

B $124\mathrm{.}68$

C $125\mathrm{.}21$

D $125\mathrm{.}77$

E $125\mathrm{.}80$

The answer should be E$.125\mathrm{.}80.$ Please solve by hand. I don't understand how to get that answer.