Answer:
option B
Step-by-step explanation:
given, Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
3-month T-bill currently yields  = 3%     Â
customer price have been rising = 2% rate
Ai Lun's estimate of the real rate = ? Â Â Â Â Â Â
real rate return                         Â
            = [tex]\dfrac{1 + risk\ free\ rate}{1 +inflation\ rate} - 1[/tex]
            = [tex]\dfrac{1 + 0.03}{1 +0.02} - 1[/tex]
            = [tex]\dfrac{1.03}{1 .02} - 1[/tex]
            = [tex]1.0098 - 1[/tex]
            = 0.0098
            = 0.98 % ≅ 1 %
hence, the correct answer is option B