Abook is marked down by 28 percent from an original price of $19.50. what is the new price? $5.46 $5.85 $13.04 $14.04

Can any one me with the answers to these questions asap?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !

Can someone me out here number 4 plz