in exchange for a $300 million fixed commitment line of credit, your firm has agreed to do the following: 1. pay 1.85 percent per quarter on any funds actually borrowed. 2. maintain a 4.5 percent compensating balance on any funds actually borrowed. 3. pay an up-front commitment fee of .25 percent of the amount of the line. based on this information, answer the following: a. ignoring the commitment fee, what is the effective annual interest rate on this line of credit? (do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. suppose your firm immediately uses $115 million of the line and pays it off in one year. what is the effective annual interest rate on this $115 million loan? (do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)