Bail Typically a bail bond has a premium of 10% of the bail set. The premium is the interest on the loan and is paid immediately upon entry of the term of the loan. 1. Bail for a first DUI charge can be about $2,500. A second DUI increases the bail amount to $10,000. A third DUI charge comes with a $15,000 ball amount. If a fourth DUI charge is received, the misdemeanor turns into a felony and a $50,000 bail bond is often required. What is the annual effective interest rate for each of these bails if we assume a 4 month trial? Bail Typically a bail bond has a premium of 10% of the bail set. The premium is the interest on the loan and is paid immediately upon entry of the term of the loan. 1. Bail for a first DUI charge can be about $2,500. A second DUI increases the bail amount to $10,000. A third DUI charge comes with a $15,000 ball amount. If a fourth DUI charge is received, the misdemeanor turns into a felony and a $50,000 bail bond is often required. What is the annual effective interest rate for each of these bails if we assume a 4 month trial