Hakan sells his mobile accessory product ($50 list price), with 2 discounts/allowances: 12% discount on orders of more than 100 units on 50% of firm's business. 5% cooperative advertising allowance. 80% of customers use the allowance. What is the avg invoice price? What is the net price? Hakan sells his mobile accessory product ($50 list price), with 2 discounts/allowances: 12% discount on orders of more than 100 units on 50% of firm's business. 5% cooperative advertising allowance. 80% of customers use the allowance. What is the avg invoice price? What is the net price