You purchased 800 shares of DBC at $47.1 per shares on your margin, which as an initial margin of 60% (or 0.60 ). You broker charges you 0.06 per year or your margin. After one year, you sell your shares at $54.62 per shares. After paying interest on your loan, what is your HPR? [Give your answer as a decimal number with 4 decimals (do not multiply by 100 ).]