A useful formula for finding the effective rate on discounted notes is
.. (effective rate) = r/(1 -rt)
For t=(3 months)/(12 months) = 1/4, the effective rate on these bills is
.. (effective rate) = 3.75%/(1 -0.03750*0.25) ≈ 3.79%
It's 16 i guess..............
7b. 16.34
7d. 38.05
8. 54.037