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Susan placed $$5,100$ into three investments: Account A paid $10\%$ simple interest, Account B paid $12\%$ simple interest, and Account C paid $18\%$ simple interest. The total interest earned after one year is $$726.$ If the amount of money placed in Account $C$ is $$700$ more than the amount placed in Account B$,$ find the amount of each investment in dollars.

amount invested in Account A $ $$

amount invested in Account B $ $$

amount invested in Account C $ $$