Refer to the stock market quote in Table 8-1 a. What was the closing stock price for Dropbox on February 21, 2020? b. What was the percentage change in China Xiangtai Food Company stock price from February 20, 2020, and February 21, 2020? c. How many shares of Oncolytics Biotech stock were traded on February 21, 2020? (For all requirements, round your answers to 2 decimal places. (e.g., 32.16)) Closing stock price Percentage change in China Xiangtal Food Company's stock b price c Oncolytics Biotech were traded % million TABLE 8-1 U.S. Stock Gainers, February 21, 2020 (2) Volume (1) Name Trans World Entertainment Corp. (TWMC) Celldex Therapeutics Inc. (CLDX) Ducommun Inc. (DCO) Eldorado Gold Corp. (EGO) Avadel Pharmaceuticals PLC ADR (AVDL) Genprex Inc. (GNPX) American Software Inc. CI A (AMSWA) IGM Biosciences Inc. (IGMS) Dropbox Inc. (DBX) China Xiangtai Food Co. Ltd. (PLIN) Oncolytics Biotech Inc. (ONCY) National CineMedia Inc. (NCMI) California Resources Corp. (CRC) Microbot Medical Inc. (MBOT) Fang Holdings Ltd. ADR (SFUN) Universal Electronics Inc. (UEIC) Baudax Bio Inc. (BXRX) 5.2M 8.6M 939.7K 20.2M 5.8M 11.7M 632.3K 351.4K 48.3M 293.3K 1.9M 2.7M 9.IM 1.4M 219.7K 328.OK 7.9M (3) List 5.28 3.07 56.95 $9.93 9.40 5.33 19.20 60.69 22.45 3.07 2.63 9.37 7.59 10.81 2.57 51.80 9.16 Chg 1.78 0.80 14.16 2.41 2.28 0.95 3.30 10.22 3.73 0.49 0.40 1.37 1.09 1.54 0.36 6.82 1.16 (5) %Chg 50.86 35.24 33.09 32.05 32.02 21.69 20.75 20.25 19.96 18.99 17.94 17.13 16.77 16.61 16.29 15.16 14.51 Note: Includes common stocks, ADRs, and REITs listed on NYSE, Nasdaq, or NYSE American with a prior day close of $2 a share or higher and volume of at least 50,000. Source: The Wall Street Journal Online, February 21, 2020, www.wsj.com