Which of the two warehouses (A or B) below are facing greater demand uncertainty (same SKU)? Warehouse A: Mean bi-weekly demand = 38 pieces; Standard Deviation of bi-weekly demand = 12 pieces Warehouse B: Mean bi-weekly demand = 138 pieces; Standard Deviation of bi-weekly demand = 40 pieces Hint: Compare Coeff of Variation instead of standard deviations. Coeff Variation = Std. Deviation / Mean Warehouse B Both warehouses are facing identical levels of demand uncertainty Cannot say from the data provided Warehouse A