You are about to begin work on a swimming pool in your yard. The first step is to have a hole dug that is $\displaystyle {60}$ feet long, $\displaystyle {36}$ feet wide, and 6 feet deep. You will use a truck that can carry 10 cubic yards of dirt and charges $$\displaystyle {10}$ per load. How much will it cost you to have all the dirt hauled away?

The cost is $