Finance - Niendorf Corporation

Niendorf Corporation's 5 year bonds yield 6.75% and 5 year T-bonds yield 4.80%. The real risk-free rate is r*=2.75%, the inflation premium for 5-year bonds is IP=1.65%, the default risk premium for Niendorf's bonds is DRP=1.20% versus zero for T-bonds, and the maturity risk premium for all bonds is found with the formula MRP=(t-1) multiplied by 0.1%, where t=number of years to maturity. What is the liquidity premium (LP) on Niendorf's bonds?
B. 0.55%
C. 0.61%
D. 0.68%
E. 0.75%