a landscaping business owner buys a new riding mower for $9,600.00. the owner makes a $1,000 down payment and applies for an $8,600 four-year, 3.5% interest rate installment loan, with monthly payments of $192.26. what is the total cost of the mower? $8,600.00 $9,600.00 $9,228.56 $10,228.48