brand x brand y msrp $5.29 $4.99 volume discount 30% 35% promotion allowance 15% 12% unit cost $1.18 $0.74 msp per unit margin gross margin % 3. for large retailers, the msp represents their product cost, which they will mark up to set the retail price. if the retailer has a target margin of 25%, what would the retail prices be for the brands in question 2?