LIZ's Health Food Store nas estimated montniy financing requirements for the next six months as follows: January February March $9,300 3,300 4,300 April May June $9,300 10,300 5,300 Short-term financing will be utilized for the next six months. Projected annual interest rates are: January February March 7.0% April 8.0% May 11.0% June 14.0% 12.0% 12.0% a. Compute total dollar interest payments for the six months. To convert an annual rate to a monthly rate, divide by 12. (Round intermediate calculations and final answers to 2 decimal places.) Total dollar interest payments $ b-1. Compute the total dollar interest payments if long-term financing at 12 percent had been utilized throughout the six months. Assume a long term rate is locked in on an interest-only loan. Total dollar interest payments $