The 6-month, 12 -month, 18 -month, and 24 -month zero rates are $4 \%, 4.5 \%, 4.75 \%$, and $5 \%$, with semiannual compounding.
(a) What are the rates with continuous compounding?
(b) What is the forward rate for the 6-month period beginning in 18 months?
(c) What is the two-year par yield?