What is the output of calling n2.calculate()? class Addition: def __init__(self, f, s): self.first = f self.second = s def calculate(self): self.answer = self.first + self.second print("Addition of two numbers = " + str(self.answer)) n1 = Addition(1000, 2000) n2 = Addition(3000,1000) n3 = Addition(2000, 4000) n4 = Addition(3000,4000) (1 point) Responses Addition of two numbers = 6000 Addition of two numbers = 6000 Addition of two numbers = 7000 Addition of two numbers = 7000 Addition of two numbers = 4000 Addition of two numbers = 4000 Addition of two numbers = 3000
