How Does Optimization Software Help Retailers to Price Merchandise

How does optimization software help retailers to price merchandise?

A) It gives retailers the point at which it is optimal to job-out and consolidate.
B) It updates pricing based upon actual sales and factors in differences in price sensitivities.
C) It continually updates buyers on sales by price beginning at the point of sale.
D) It dictates markdown merchandise into one percentage markdown per week in the store.
E) It helps the retailer pursue legal markdowns by adhering to the Robinson-Patman Act.