Assuming he invested only $20,000 of his own money and borrowed $180,000. His return on investment is: 200% .
Using this formula
Return on investment = Profit / Initial investment
Return on investment= ( Selling price − Purchase price) / Investment
Let plug in the formula
Return on investment= ($240,000 − $200,000) / $20,000 × 100
Return on investment=200%
Therefore his return on investment is: 200% .
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