34 1 pts We pay $360 for a sheet of graphite that contains 20 kg. In cutting hockey sticks, we lose 2 kg of graphite on each sheet due to shaving and splintering. The remaining kilograms can be cut into 10 sticks. However, two of every 10 sticks are defective and thrown away. What is the standard cost of materials for one finished hockey stick? $18 $20 $36 $45 $30