[Cloud] Ariana Grande's perfume, "Cloud", is a best seller among other fragrances. Currently, only Sephora and Ulta are contracted to sell the perfume. Ariana's Marketing Director has decided to expand sales to Nordstrom and made an official announcement on Ariana's social media channels. This frustrated both Sephora and Ulta because they believed it would most likely negatively impact their sales or, worse, be a signal that Ariana's perfume could eventually move to only sell at Nordstrom. This conflict described above shows what channel concept we discussed in class? Manufacturer Overstep Retailer Power Struggle Specialty Contracts Vertical Conflict Horizontal Conflict