Please explain all calculations and actions please: You are about to sign an interest swap to pay fixed and receive floating. The quote is $4\mathrm{.}5-4\mathrm{.}7\%$ against LIBOR flat. The principal is $100,000.$ What is the value of the swap? $($please use a fixed rate to discount the cash flows.$)$ Round to the nearest US cent $(2$ decimal places$).$