Delta and Gemma Companies can borrow at the following rates: Delta prefers to borrow floating rated debt and Gemma prefers to borrow fixed rated debt. They both need to borrow $50,000,000 debt for 5 years. a. Calculate the quality spread differential (QSD). b. Develop an interest rate swap in which both Delta and Gemma have an equal cost savings in their borrowing costs. What is the annual cost savings by entering an interest rate swap contract