3) Bobby and Dean both want to take out a loan for $3000 each. Bobby has a credit score of 690 and Dean has a credit score of 510. Bobby's loan comes with a 3.8% interest while Dean's comes with a 5.2%. If the length of the loan is for 2 years, how much will each end up paying back to their creditors? (Hint: use the simple interest formula) 4) Jack has a credit rating of 720 and Jill has a credit rating of 560. Jack and Jill apply for identical loans from Chase Bank that needs to be paid back over 3 years. Jack is approved for a loan at 5.2% interest and Jill is approved for a loan that is charged 3% higher because of her lower credit rating. How much more will Jill pay back in interest than Jack? (Hint: give your answer as a percentage)