List Price 100 Net Price Equivalent 100 100 7 4 Calculate The Chain Discount Pro

Can anyone tell me if I am doing this right? If I am not, can you please explain it to me?

List Price100%Net Price Equivalent100%100%7.4 Calculate the Chain DiscountProblem: Chain discount: 9/8/7List price: $4000 . 64bo ‘0 . 07Net price equivalent = Complements multiplied together4 400Chain discount = Net price equivalent x List priceTrade Discount RateList Price364.00Complement31 1 .441s’ hE ENet Price