Based on the information given for her to complete her letter, she must deposit D) $12,000.
Using this formula
Deposited amount=Amount invested-Original investment
Where:
Amount invested=$25,000
Original investment=$13,000
Let plug in the formula
Deposited amount=$25,000-$13,000
Deposited amount=$12,000
Inconclusion for her to complete her letter, she must deposit D) $12,000.
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