Infer Current Short Rate From an Affine Bond Quote 8

In an affine short-rate model, a zero-coupon bond is priced as P(0,T)=A(T)exp(-B(T)r0). For one maturity bucket the model exports A(T)=0.94, B(T)=3, and the bond quote is P(0,T)=0.872079. What current short rate r0 is implied?