4. The handbag buyer bought 960 bags at $60. At regular price only 60 bags sold. The buyer took a 25% POS markdown at sold 150 bags. Another POS markdown was taken to $34.99 and 200 more sold. a. What are the total sales? b. What are the total markdowns? c. What is the markdown percentage? 5. The dress buyer bought 150 black dresses at $90 retail. 30 units sold at the original price. A permanent markdown was taken to $69.99 and 50 units sold. Another permanent markdown was taken to $49.99 and 50 more sold. a. What are the total sales? b. What are the total markdowns? c. What is the markdown percentage? 6. 7200 units of sunglasses were purchased at $49 retail. At regular price 2,150 units sold. A permanent markdown was taken to $29.99 and 2,975 units sold. Finally, a secon permanent markdown was issued to $19.99 and 1,600 units sold. a. What are the total sales? b. What are the total markdowns? c. What is the markdown percentage