Please help me to solve this question.

Economics in the News May 17, 2020 Retail Firm's PPF First, study the news article linked below Malls need major rethink to survive pandemic. retail consultants say. 1. According to Doug Stephens, founder of Retail Prophet, a consulting agency in Ontario, what is the similarity between how COVID-19 affects people and shopping malls? COVID-19 O A. exploits pre-existing and underlying conditions Number of shirts sold inside a store (per hour) O B. will have a resurgence in the summer C. can be controlled only by government intervention O D. is most successful in winter climates 2. The graph shows a PPF for a firm that sells shirts in a brick-and-mortar store and also sells shirts online What combinations of online sales and brick-and-mortar sales can the firm produce? The firm can produce PPA 5 20 12 14 16 18 20 O A. at any point on the PPF or above the PPF Number of shirts sold online (per hour) O B. at any point above the PPF C. at any point on the PPF or inside the PPF O) D. any combination anywhere on the graph if its sales are great enough