An investor buys 400 shares of stock in a fund when the net asset value is $23.79 and the offer price is $23.89. The investor sells these shares when the net asset value is $50.34 and the offer price is $50.46. Determine the amount of profit the investor earns.

The investor buys at the offer price of $23.89 per share and sells at the net asset value of $50.34 per share. The profit per share is $50.34 − $23.89 = $26.45, so the total profit is 400 × $26.45 = $10,580. The correct choice is $10,580.

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