A T-Bill currently sells for $98.5000 per $100 of face value. It has 180 days remaining until maturity. What is the bank discount yield? \begin{tabular}{l} \hline 4.40% \\ \hline 3.00% \\ \hline 5.00% \\ \hline 4.00% \\ \hline 1.50% \end{tabular}