4. A buyer was reviewing sales of a new brand of peanut butter. The markup on the product averaged 30% but retail reductions were 25% due to new product promotions. The supplier promised the buyer a maintained markup of 18.5% at the end of the season. What was the actual MMU%? Was it higher or lower than the result the supplier promised? 5. A store ran a promotion on Windex, selling it for $2.75 each. The regular price is $3.25. The same store purchased the Windex for $1.99 per unit. During the promotion, 500 units were sold. What was the maintained markup on the Windex during the promotion? What was the regular markup when the product wasn't on sale