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Jennifer decides to invest in Ethereum - Math Riddle

110.Math Riddles
Jennifer decides to invest in Ethereum. He pays $12000 for it. After one day, the Ethereum value has increased to $13000 and so Jennifer decides to sell it. But the next day she regrets her decision and she buys it again. Unfortunately, at a higher price and has to pay $14000 to get it back, so she loses $1000. The very next day, he sells the Ethereum for $15000.
Did he make any overall profit? If yes, How much?
    • $2,000 
      Explanation :  
      
      $2000
      at first she bought it for 12000 and sold it 13000
      Profit from 1st transaction = $1000 (13000-12000)
      next day she bought it for 14000 and sold it for 15000
      Profit from 2nd transaction = $1000 (15000-14000)
      So the overall profit will be = (1st + 2nd )(1000+ 1000 )$2000