Kitchen Plus,a Retailer,has Formed an Agreement with XOXO,a Manufacturer of Kitchen

Kitchen Plus,a retailer,has formed an agreement with XOXO,a manufacturer of kitchen gadgets and supplies.Kitchen Plus has agreed to exert its best efforts to ensure effective distribution of XOXO goods in its assigned territory of Houston.If Kitchen Plus fails to meet performance targets,it will lose its preferred status with XOXO,although the retailer can still sell outside its territory.Which term best describes the agreement between Kitchen Plus and XOXO?

A) Primary responsibility
B) Absolute confinement
C) Single block exemption
D) Price-market segmentation
E) Profit pass-over arrangement