37) A corporation arranges for a $10 million line of credit. The corporation needs to have regular access to $6 million of this amount. The bank also requires a compensating balance of 10%. The all-in rate is 6% and the commitment fee is 0.30% on the unused portion of the line. What is the annual interest rate? a. 7.59% b. 6.67% c. 6.83% d. 6.89%