Answer:
$22614 needs to be deposited today.
Explanation:
Let x be the amount we will initially invest. The investment will be made for 10 months while the interest rate given here as 7.4% is the annual interest rate.
So,
Thus if Karl makes an initial investment of $22614 at 7.4% annual interest rate, then he will be able to withdraw a combined Principal + Interest of $24000 after 10 months.