Which of the following does your textbook recommend for preparing slides?

A. Stick to a limited number of colors and use them consistently.
B. Use all capital letters so the words will be easy to read.
C. Limit the amount of text to no more than six lines per slide.
D. All the answers are correct.
E. Both limit the amount of text to no more than six lines per slide and stick to a limited number of colors and use them consistently.

Answer: E