Concept:Trade discount is deducted from the list price first. Cash discount is then calculated on the amount after trade discount.Explanation:List price =1,560×60=93,600Trade discount =10% of 93,600=9,360Amount after trade discount =93,600−9,360=84,240Payment within 60 days qualifies for a 5% cash discount.Cash discount =1005×84,240=4,212Amount payable =84,240−4,212=80,028Answer:The correct amount payable is 80,028, which is option C.