please do a, b, and c

A current warehouse system has seven warehouses with 3,750 units at each warehouse. a. If the company desires to change the number of warehouses to become more decentralized and keep the same customer service level, determine the average warehouse inventory level, using eleven 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 decentralized and keep the same customer service level, determine the average warehouse inventory level, using fifteen warehouses and the square root rule. Do not round intermediate calculations. Round your answer to the nearest whole number: units c. What is the percentage increase 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. 11 warehouses v5. 7 warehouses: % 15 warehouses vs. 7 warehouses: %