Assume semi-annual compounding (for this question).

The 1-year spot interest rate is 2%; the 1.5-year spot rate is 2.6%; the 2-yr is 3%.

What is the implied forward 6-month rate 18 months from today?

What is the implied forward 1-year rate 1 year from today?

II The 1-week money market rate is 5.9%; the four-week rate is 6%. What is the forward 1-week rate three weeks from today?

What if the 1-week rate is also 6%?