You are saving for your retirement. You plan to put $$10,000$ a year into a $401$K account. What will the value be:

a$.$ In $5$ years at $5$ percent?

b$.$ In $20$ years at $5$ percent?

c$.$ In $5$ years at $9$ percent?

d$.$ In $20$ years at $9$ percent?

What does this exercise tell you about the relationship of interest to the future value of annuity calculation?

What does this exercise tell you about the relationship of time to the future value of annuity calculation?