Jay purchased a 180-day $100,000 bank bill at a simple interest rate on 15th March 2020. The purchase price is $98,500. He sold this bank bill on 23rd April 2020.

Assume that Jay sold this bank bill with a price of $98,900 and deposited all sale proceeds into an account to earn a simple interest rate of 4.91% p.a. What is the annualized (simple interest) yield for this 180-day investment?