please solve it in 10 mins I will thumb you up

1). What factors are affecting international trade flow of country a) national income b) government restrictions c) exchange rates d) all the above 2) Which of the following is true: a) Demand for a currency increases when the value of the currency decreases, leading to a downward sloping demand schedule. b) Supply of a currency for sale increases when the value of the currency increases, leading to an downward sloping supply schedule. c) Demand for a currency decreases when the value of the currency decreases, leading to a downward sloping demand schedule. d) Supply of a currency for sale decreases when the value of the currency increases, leading to an upward sloping supply schedule