At the End of Thursday,the Estimated Volatility of Asset B

Multiple Choice

At the end of Thursday,the estimated volatility of asset B is 1% per day.During Friday asset B produces a return of zero.An EWMA model with lambda equal to 0.9 is used.What is an estimate of the volatility of asset B at the end of Friday?

A) 0.98%
B) 0.95%
C) 0.92%
D) 0.90%