<span>c. money is deducted from the balance on the debit card.</span>
<span>(10,287.56 - 10,005.23) / 10,287.56 =
(282.33) / 10,287.56 = 0.0274
0.0274/100 = 2.74%
</span><span>At the beginning of the day, the dow jones index was at $10,287.56. at the end of the day, the dow jones index was at $10,005.23. </span>The rate of change of the dow jones on this particular day is 2.74%
Answer:
$55
Explanation:
Opportunity cost refers to the value of benefit forgone, in order to get the benefit of current option chosen.
Here, Cameron has a gift card worth $40 which he had to use,
Now he had two options:
Either to buy keyboard of $50
or
To buy speakers costing $55
He chooses to buy keyboard and the value of benefit forgone is value of speakers = $55.
Thus, opportunity cost = $55