Eli and Christain each had a repair made on their cars. The initial cost of each repair ia $1000. Eli and Christain each have two coupons. Each of them uses his coupons towards the cost of the repair. One coupon is $80 off the repair cost. The other coupon is for 15% off the repair cost. Eli uses the $80 off the repair cost coupon first. He then uses the 15% off the repair cost coupon on the remaining balance. Christain uses the 15% off the repair cost coupon first. He then uses the $80 off the repair cost coupon on the remaining balance. Who paid the least amount of money for his car repair and how much less did he pay?