please answer both

The combination of a pay EUR fixed and receive USD fixed swap with a pay USD floating and receive EUR fixed results in a. an interest rate swap, pay USD fixed and receive USD floating b. an interest rate swap, pay USD floating and receive USD fixed C. an interest rate swap, receive EUR floating and pay EUR fixed d. an interest rate swap, receive EUR fixed and pay EUR floating and the ask The bid price is the price at which the market maker is willing to price is the price at which she is willing to a. write calls, write puts b. write calls, buy puts O c. buy, sell d. sell, buy