2. Answer the following RGB (color) related questions a. What is an RGB value? b. What color does an RGB value of (128, 13, 255) represent in Excel c. How many different colors could be represented with an RGB scheme if only 3 bits were used to represent each RGB component (3 for R, 3 for G, 3 for B)? What is the color depth of an image using this RGB configuration How many different colors could be represented with an RGB scheme if 8 bits were used to represent each RGB component (8 for R, 8 for G, 8 for B)? What is the color depth of an image using this RGB configuration? d