Answer:
$60
To calculate the amount you have to pay in taxes on your investment, follow these steps: 1. Calculate your earnings on the $4000 investment by multiplying it by the 10% interest rate: $4000 * 0.10 = $400 2. Next, calculate the amount of taxes you need to pay by multiplying your earnings by the tax rate of 15%: $400 * 0.15 = $60
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