please help me with this whoever answers all of them first all correct will get brainliest

Directions: For each scenario find the total cost and the cost of the credit.

1. Mark wants to buy a gaming system that costs $2,500. The electronics store offers an installment plan of $500 down and $100 for 24 months.




2. Sam and Jane want to purchase furniture for their new deck. The total cost is $4,000. The store offers an installment plan of $800 down and $215 for 18 months.




3. Mike wants a new stereo for his car. The stereo costs $600, but can be purchased for $100 down and $100/month for 6 months.




4. Sara wants a prom dress that costs $300. The store is offering an installment plan of $50 down and $100 for four months.




5. Tom wants to take a vacation. The travel company has a tour to Europe that costs $1,200. They offer an installment plan of $300 down and $125/month for 9 months.