What does a shift up and right in the curves of isopreference curve simply means? Verify in terms of N (number of pixels) and k (L=2k, L is the gray level) values.

• A. Smaller values for N and k, implies a better picture quality
• B. Larger values for N and k, implies low picture quality
• C. Larger values for N and k, implies better picture quality
• D. Smaller values for N and k, implies low picture quality