a. What interest rate would make it worthwhile to incur a compensating balance of $15,500 in order to get a 0.65 -percent lowe interest rate on a 2 -year, pure discount loan of $230,000 ? b. Is it worth incurring the compensating balance to obtain the lower rate? Complete this question by entering your answers in the tabs below. What interest rate would make it worthwhile to incur a compensating balance of $7,500 in order to get a 0.65 -percent lower interest rate on a 2 -year, pure discount loan of $150,000 ? Note: Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places