You are comparing a 10-year corporate bond and a 30-year corporate bond for the same firm. Other firms of the same risk-class have a default risk premium of 1.80%, and a liquidity risk premium of 2.60%. The current return on a 10-year treasury is 3.60%. The maturity premium on the 10-year treasury is 1.80%, what is the maturity risk-premium for the 30-year bond if the yield to maturity is 10.70%?