Assume that total output is determined by the formula: Total output = number of workers x productivity Hint: Assume there are 100 workers and each worker produces $100 of output Instructions: Round your responses to one decimal place. a. If the workforce is growing by 3 percent a year but productivity doesn't improve, how fast can output increase? Output can increase by b. If productivity increases by 2 percent and the number of workers increases by 3 percent a year, how fast will output grow? Output will grow by