Question 3 2 pts Zack's Sub Shop advertises a new company policy. The sandwich shop now sells lunch meals that include both chips and a drink. Which strategy is Zack's engaging in? O Peak-load Pricing Cross subsidies Block Pricing Commodity Bundling Question 4 2 pts In a monopolistically competitive market, the demand for Zack's Rootbeer can be desribed as P=20-Q. The marginal revenue that Zack faces is MR=20-2Q. Also, the marginal cost for the firm is MC-2Q. Find the optimal quantity that the firm sets. 0 5 O 6.67 O 15