Your bank is offering you an account that will pay 18 % interest (an effective two-year rate) in total for a two-year deposit. Determine the equivalent discount rate for the following periods:

a. Six months

The equivalent discount rate for a period length of six months is ____% ???

b. One year

The equivalent discount rate for a period length of one year is_____%???

c. One month (Note: Be careful not to round any intermediate steps less than six decimal places.)

The equivalent discount rate for a period length of one month is_____%???