A current warehouse system has seven warehouses with 3,000 units at each warehouse. a. If the company desires to change the number of warehouses to become more centralized and keep the same customer service level, determine the average warehouse inventory level, using four warehouses and the square root rule. Do not round intermediate calculations. Round your answer to the nearest whole number. units b. If the company desires to change the number of warehouses to become more centralized and keep the same customer service level, determine the average warehouse inventory level, using two warehouses and the square root rule. Do not round intermedlate calculations. Round your answer to the nearest whole number. units c. What is the percentage reduction in system inventory for the two systems above, compared to the original system? Do not round intermediate calculations. Round your answers to two decimal places. Enter your answers as positive values. 4 warehouses v5. 7 warehouses: % 2 warehouses vs. 7 warehouses: %