Incomplete Records. Forums › FIA Forums › Incomplete Records. This topic has 0 replies, 1 voice, and was last updated 11 years ago by Hassan. Viewing 1 post (of 1 total) Author Posts January 14, 2015 at 2:02 am #222546 HassanMember Topics: 1Replies: 0☆ Hello, please solve the question below. A business operates on a gross profit margin of 33 1/4%. Gross profit on a sale was $800, and expenses were $680. Calculate the net profit percentage. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In