Physics Help (2)

     Please be sure to follow all guidelines (number of sentences/showing all calculations) and to provide the correct metric units of measure. It is important for you to observe the number of sentences, when required. This helps me assure the integrity of your responses. All questions are 5 points (1 point for sentence number /correct units).  

READ ALSO :   Instead, suppose L cuts back 60 and H cuts back 0; the total cost would be $_______.