please help

7.1.55 The list price of an item is $82.49. The supplier is offering a series trade discount of 19/14/10. Find the net cost. The net cost of the item is $ (Round to the nearest cont as needed.) Enter your answer in the answer box and then click Check Answer All parts showing Clear All MacBook BO F3 DOO DOO F2 FS 12 @ $ 1 2 # 3 % 5 4 CO Q W E R T A virtual reality headset lists for $649. Find the net cost after trade discounts if the series discount is 10/20. The net cost is $(Round to the nearest cent as needed.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All MacBook F1 F2 OOD 000 F4 F3 F5 ! $ % A 1 2 # 3 4 5 6 C 14