QUESTION 6 (Not a repeat of other questions about this industry.) Concrete blocks used in the construction industry start as cement and sand purchased by a manufacturer who transforms them into blocks of different sizes and shapes. Assume the following information exists for the value chain of concrete block industry. (All data is per palette; a palette contains 50 square feet of blocks.) Manufacturers Wholesalers Retailers Sales $37.50 $70.00 $100.00 Value of goods/services acquired from outside 11.75 37.50 70.00 Value added by the firm 22.00 15.00 25.00 Total Cost 33.75 52.50 95.00 Profit $3.75 $17.50 $5.00 ROS 10.00% 25.00% 5.00% Markup on cost 111.11% 133.33% 105.26% The highest amount of value added (as measured by absolute $s of cost) occurs: CA. By the manufacturers O B. By the wholesalers C C. By the retailers D. Only the manufacturer adds value because they convert raw materials into a product E. All add the same amount of value