Need help on this economics problem please post work to show

Need help on this economics problem, please post work to show how you got the answer. Thanks!

Assuming i = 11%/year, detemnne the equivalent present worth of the following cash flow. The flow consists of a pattern that repeats itself every five years indefinitely.

As I think with 11% /year determine the equivalent present worth of cash flow = 1st Year= $444 2nd=$333 ,3rd year=$222 ,4thyear =$111,5th year=$ 11