A fast-food restaurant serves hamburgers, cheeseburgers, and chicken sandwiches. The restaurant counts a cheeseburger as equivalent to 1.27 hamburgers and chicken sandwiches as 0.64 hamburger. Current employment is five full-time employees who each work a 40-hour week. a. If the restaurant sold 710 hamburgers, 900 cheeseburgers, and 550 chicken sandwiches in one week, what is its productivity? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

b. What would its productivity have been if it had sold the same number of sandwiches (2,160), but the mix was 720 of each type? (Do not round intermediate calculations. Round your answer to 2 decimal places.)