With the premise 'Simply increasing inventory for all SKUs would be a poor allocation of investment, further increasing the order-fill rate for those SKUs for which service levels are already high.', is 'The one and only way to solve the problem is to increase inventory for all SKUs.' a reasonable conclusion?
Simply increasing inventory for all SKUs would be a poor allocation of investment, further increasing the order-fill rate for those SKUs for which service levels are already high.###The one and only way to solve the problem is to increase inventory for all SKUs.