The total value of the investment after 3 years given the amount invested is $12,774.
The total value of the investment is the sum of the amount invested and the interest earned.
The total value of the investment = amount invested + simple interest earned
$12,0000 + (principal x time x interest rate)
$12,000 + (12,000 x 0.0215 x 3) = $12,774
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