he quoted interest rate of following annual cash flow stream is $8\%$ and it is compounded semiannually.

Note: To receive full credit, show numbers $/$ formulas you used to get your answer$($s$).$

$6$months periods $012345678$

CFs: $$20$ $$20$ $$20$ $$20$

a$.$ What is the effective rate?

b$.$ What is the value at the end of Year $4?$

a$.8\mathrm{.}14\%$

b$.$ $$90\mathrm{.}34$

a$.8\mathrm{.}16\%$

b$.$ $$90\mathrm{.}34$

a$.8\mathrm{.}16\%$

b$.$ $$92\mathrm{.}34$

a$.8\mathrm{.}14\%$

b$.$ $$90\mathrm{.}54$

a$.8\mathrm{.}26\%$

b$.$ $$90\mathrm{.}94$

a$.8\mathrm{.}16\%$

b$.$ $$93\mathrm{.}34$

a$.8\mathrm{.}11\%$

b$.$ $$90\mathrm{.}34$

a$.8\mathrm{.}11\%$

b$.$ $$90\mathrm{.}14$