Empty? Empty of profits for those who feed at the trough of the USDA maybe.
Sounds like a losing assignment. You will only learn how to click buttons on a calculator but you won't get to do any critical thinking and thus won't actually learn anything for real. The best you can do is turn in an answer that meets with the instructor's approval.
Thank god for the Liberal Arts. Critical thinking is a valuable skill.
Female, 5'3", 49, Starting weight: 163lbs. Current weight: 135 (more or less).
Starting squat: 45lbs. Current squat: 160 x 2