Wesley Company will issue a zero-coupon bond this coming month. The projected yield for the bond is 5%. If the par value of the bond is $1,000, what is the price of the bond using a semiannual convention if
a. The maturity is 20 years?
b. The maturity is 30 years?
c. The maturity is 50 years?
d. The maturity is 100 years?