Alpha and Beta Companies can borrow for a five-year term at the following rates: Alpha Beta Moodys credit rating Aa Baa Fixed-rate borrowing cost 10.6% 12.2% Floating-rate borrowing cost SOFR+0.72% SOFR+1.72% Required: a. Calculate the quality spread differential (QSD). b-1. Develop an interest rate swap in which both Alpha and Beta have an equal cost savings in their borrowing costs. Assume Alpha desires floating-rate debt and Beta desires fixed-rate debt. No swap bank is involved in this transaction. What rate should Alpha pay to Beta? b-2. What rate will Beta pay to Alpha? b-3. Calculate the all-in-cost of borrowing for Alpha and Beta, respectively