In the example, multiplying $6 by 25 percent gives a weighted-average CMU of $1.50 for Product A. Step 4. Add the weighted-average CMUs of each product together to give the total weighted-average contribution margin or weighted-average ratio for the company's current product mix.
Select the photographs to display the original source in another window. Links to external sites will be displayed in another window. Terrestrial planets have hard surfaces that can be re-shaped by several different processes: impact cratering, volcanism, erosion, and tectonics.
It doesn't. The Earth orbits the sun in the same direction that it rotates. That's because both the orbit and the rotation are the result of the rotation of the cloud of gas and dust that collapsed to form the solar system. Our rotation and axis were changed when Earth was wacked by the impactor that resulted in the moon.