You're really good at investing and you have $1,500 in your investment account. You make 8.5% interest a year on your investment account!
For a year you owe $1,600 on a credit card.
You pay 19% interest a year on this credit card debt.
Answer these questions:

How much money are you making on your investment in a year?
$
How much money are you paying in interest in a year on your card?
$
What's your total gain/loss that year?
$
Enter a negative value for a loss.