3a) If the effective rate of interest is 3.7%, what is the nominal annual rate compounded quarterly?

b) A principal of $1726 deposited for 3 years and 5 months accumulates to $2746 at what nominal annual rate compounded quarterly? State your answer as a percent (not a rate) with 6 decimals.

c) Ordering stock from a large company requires the payment of $1500 in four months, and $2200 in nine months at 4.8% interest, compounded monthly. The full balance is refinanced and settled with a single payment of $4100. Choose a focal date of 4 months from now. What is the value of PV2?