20. Grill Works and More has 8 percent preferred stock outstanding that is currently selling for $49 a share. The market rate of return is 14 percent and the firm's tax rate is 37 percent. What is the firm's cost of preferred stock

Zara, a global retail and apparel manufacturer based in spain that has successfully implemented this idea by having a continuous flow of new products that are typically limited in supply. zara has created a system that draws its clientèle into its stores, on average, 17 times per year as compared to 4 times per year for most stores. how is zara using it to gain competitive advantage? what specific technologies are used by zara to maintain this advantage over its competition?