Please help me I will mark brainliest

Answer:
$1,950
Step-by-step explanation:
The percentage of the 4 year loan is $450 a year so you mulitply that by 4 and you get 16,800.
The percentage of the 3 year loan is $750 a year then multiply that by 3 to get 18,750.
Subtract to find the difference of $1,950.