please answer all 3 questions

Assume that all interest is simple interest. The Laurel Township Fire Department must decide whether to purchase a new tanker truck or repair the one they use now. For a new truck loan, the interest rate on $10,500 is 19% for a 9.5 year period; to repair the existing truck, the department must borrow $8500 at 18% for 7.5 years. Which loan is less expensive? 2 The total interest paid for a new truck is $ The total interest to repair the existing truck is s The loan for a new truck is (Choose one) v expensive than the loan to repair the existing $ truck. more less