Attempts Average / 2 1 . Individual Problems 7-3 The variety of Riverside Ranger logo T-shirts includes 12 different designs. Setup between designs takes one hour (and $21,000), and, after setting up, you can produce 1,000 units of a particular design per hour (at a cost of $7,000). Note: Assume Q denotes the quantity produced of a particular design. Which of the following best represents the average cost function for producing any single design? O AC = $21,000 + $7 O AC = $21,000 + $7 O AC = $21,000 + O AC = $21,000 + $7,000 Based on this information, production in any one single design 7 economies of scale. Grade It Now Save & Continue Continue without saving